Engine light on pontiac g6 - What to expect when your Pontiac G6 has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the specific ...

 
What to expect when your Pontiac G6 has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the specific .... Jetpay employee self service login

The light is still on. I got my friend to run the codes and they came out to be P1682 and P0449 (That code was on there twice.) I did a little research and these are the results I found: P1682 - Low Cat Efficiency. P0449 - Electrical or Emission Canister Solenoid Emission Valve. If anyone has any suggestions or I am WAY off please tell me. The 2009 Pontiac G6 has 2 problems reported for check engine light on. Average failure mileage is 58,350 miles. CarComplaints.com : Car complaints, car problems and defect information 2007 Pontiac G6 4 fly. Engine light on I have changed cam senser and crank shaft sencer. Computer has been reset by clearing codes light stays of tell next restart also light hard shift in tranny ...1. started to use the 91 octane gas, (the former owner uses 87) 2. had some tune-up, 3. make sure the water heats at least to 60 degree C, (95 degree C in winter) before i drive. then the CEL is gone.... if those doesn't work, you may need a smoke test to find out the leaking point. Like. K.Wrong Octane/Bad Gas. Bad fuel can cause your G6’s engine to knock. The wrong fuel can also cause a knocking sound. Using fuel with the proper octane rating is essential. If you need to be using premium fuel, use it. Air/Fuel Mixture Too Lean. Sensor issues can cause the air/fuel mixture to lean out.The average price of a 2006 Pontiac G6 check engine light can vary depending on location. Get a free detailed estimate for a check engine light in your area from KBB.com. Car Values.Jun 26, 2022 · The ABS light comes on in the dashboard of Pontiac G6 when one or more of the wheel speed sensors have malfunctioned, brake fluid is too low, the fuse is blown or the relay is bad, tire pressure is low, or if the ABS module has developed a defect. When the ABS light / comes on in your G6, the anti-lock braking system is disabled. If you have an autozone or advanced autoparts or some other parts store go there and have them put the code checker on it. It will give you a reason since your light is on. In the case of this post this information comes up on the display of the radio saying engine power is being reduced. Then engine disabled.I have a 2007 Pontiac G6 GT 3.5 liter V6. One day I drove it and the check Engine light came on and a message came up on the display "Reduced Engine Power". The car started to run very badly. I parked it, looked under the hood saw no signs of anything wrong, disconnected the battery to reset the computer and the car ran fine!!! Over time, this adds up and you might need to add some - learn how to here! This free video provides the steps to diagnose and clear a check engine light on a 2008 Pontiac G6 GT 3.9L V6 Convertible (2 Door). The video also provides steps on how to read the 2008 Pontiac G6 GT 3.9L V6 Convertible (2 Door) trouble code. What to expect when your Pontiac G6 has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the specific ...nickya0721. 31 posts · Joined 2010. #20 · Dec 8, 2011. yeah, if your temp gauge reads zero and the a/c wont turn on and the fans are on high its probably the thermostat. what usually happens is te rubber seal on the thermostat will go bad and tear and it will allow coolant to flow before it is suposed to at 185 degrees.In this comprehensive guide, we break down exactly how to fix LED Christmas lights. We also list all the best tools to make fixing Christmas lights easier. Expert Advice On Improvi...The service-engine-soon or check-engine light on a car’s dashboard means that there is a problem with some component of the car’s electronic control system. Always check the vehicl...Well this fix was pretty straight forward on this old 2006 Pontiac G6. It has a code P0449 Evaprative Emissions (EVAP) vent solenoid control circuit. This is...Symptoms: P0171 + P0174 Pontiac G6. There aren’t always drivability issues associated with these codes. For most people the first sign that anything is wrong at all is the service engine soon light coming on. Here are the typical symptoms that something is wrong when your G6 has codes P0174 and P0171.Dec 20, 2005 · bigbengt67. 546 posts · Joined 2005. #7 · Dec 20, 2005. ^ Correct Bob, TC will not help you in any way at all when turning, nor will it make you spin in a circle without turning the steering wheel. The G6 GTP has Stabilitrack. Wheels will still spin if the TC engeges and you keep on the gas. May 30, 2023 by Jason. If your Pontiac G6 has a faulty throttle body, it can cause it to run terribly. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Your G6’s throttle body controls the amount of air that enters the engine. You control the throttle body position with the gas pedal. A check engine light can indicate a broad spectrum of problems with your 2006 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ... If you have an autozone or advanced autoparts or some other parts store go there and have them put the code checker on it. It will give you a reason since your light is on. In the case of this post this information comes up on the display of the radio saying engine power is being reduced. Then engine disabled.This free video provides the steps to diagnose and clear a check engine light on a 2008 Pontiac G6 GT 3.9L V6 Convertible (2 Door). The video also provides steps on how to …I have a 2009 Pontiac g6, and my service traction light came on. As soon as that happened, the car felt like it was - Answered by a verified Pontiac Mechanic ... i have a 2004 Pontiac Grand Prix GTP supercharged 3.8 that went in engine light loss of power and traction control, code P0220 was found and replaced footpedal assembly , erased …Nov 8, 2021 ... How to test accelerator pedal for a Pontiac G6 with problem codes: P2121, P2122, P2123, P2139, P0229 Works with 2005, 2006, 2007, 2008, ...303 posts · Joined 2012. #2 · Aug 4, 2013. In a turn, the oil will slosh to one side of the sump. In your case, when this happens, it sounds like the pickup is sucking some air for a moment resulting in the light coming on. I'd check the oil level and make sure it's not low.Sep 2, 2019 · The only way that you are going to be able to turn off the service engine soon light is to return your Pontiac G6 to normal working order. There are no shortcuts. But, it may be worth taking a look at the gas cap. If it wasn’t screwed in tight, or seems to have a bad seal, tightening it and driving for a while may turn off the check engine light. P1116 ECT Signal Unstable Or Intermittent - Read Our Article on Intermittent Diagnosis For Help With This Pontiac Check Engine Light Code. P1117 Engine Coolant Temp Signal Out-Of-Range Low. P1118 Engine Coolant Temp Signal Out-Of Range High. P1119 ECT Signal Out Of Rage With TFT Sensor. Maximize. The 2008 Pontiac G6 has 3 problems reported for chugging / sputtering when accelerating. Average repair cost is $240 at 49,000 miles.16 Answers. Need to reset the oil light, setting, with a scanner that plugs into the cars computer. If it is a check engine light and not a change oil change light then something else is going on. Make sure the car actually has oil in it and get the code read so you know what the issue really is.The 2009 Pontiac G6 has 2 problems reported for check engine light on. Average failure mileage is 58,350 miles.I have a 2009 Pontiac g6, and my service traction light came on. As soon as that happened, the car felt like it was - Answered by a verified Pontiac Mechanic ... i have a 2004 Pontiac Grand Prix GTP supercharged 3.8 that went in engine light loss of power and traction control, code P0220 was found and replaced footpedal assembly , erased …Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here! This free video provides the steps to diagnose and clear a check engine light on a 2008 Pontiac Grand Prix 3.8L V6. The video also provides steps …Reduced Engine Power Causes: Pontiac G6. If you have the reduced engine power light, then there are going to be some diagnostic trouble codes stored in your OBD II system. This is great news, since it helps narrow down where the ECU thinks that the problem is. A good code scanner is really cheap and can make the process a whole …Apr 30, 2012 · P0174: running lean in bank 2--either too much air or not enough fuel. (The traction control system is disabled for so many reasons it is not very helpful as a diagnostic aid) There are lots of possible causes but start here: A dirty MAF sensor. Carefully clean it no matter what it looks like. CarComplaints.com Notes: Unfortunately the 2008 Pontiac G6 continues a serious trend of steering problems from the prior model years. 9.0. really awful. Typical Repair Cost: No data. Average ...P0174: running lean in bank 2--either too much air or not enough fuel. (The traction control system is disabled for so many reasons it is not very helpful as a diagnostic aid) There are lots of possible causes but start here: A dirty MAF sensor. Carefully clean it no matter what it looks like.A check engine light can indicate a broad spectrum of problems with your 2007 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ... A check engine light can indicate a broad spectrum of problems with your 2006 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ... This is a fuel vapor leak code, check the gas cap. Pull off cap and reseal the cap and make sure you turn the cap 3 times so total rotation of the cap equals one full turn.. The code should go away after 3 starts to full heat and run condition. Take the vehicle to a qualified repair shop an have the EVAP system smoke tested , this will find the ... See how to properly secure their car seat. 2009 Chevrolet Malibu LS 2.4L 4 Cyl. Don't be the guy with your third brake light burnt out. This free video provides the steps to diagnose and clear a check engine light on a 2007 Pontiac G6 2.4L 4 Cyl.. The video also provides steps on how to read the 2007 Pontiac G6 2.4L 4 Cyl. trouble code. 2389 posts · Joined 2011. #2 · Aug 14, 2011 (Edited) Engine Power Reduced typically means a problem in the throttle actuator control system. But you need to resolve that diagnostic link connector issue first. If the scan tool is not powering up when connected & key ON, there is a power or ground issue at the connector.2006 Pontiac G6 GTP: Check Engine Light..surge..stereo console. Have 2006 Pontiac G6 GTP with 67000 miles. The Check Engine Light is on (car seems to be surge between 2000 and 2500 RPMs. The TCS light with a line through it has come on as well as Engine Power Redu ...13 posts · Joined 2016. #6 · Jan 4, 2017. Sensor is on right side of engine. (As viewed from front) It is to the rear half, of engine, on block. Just replaced mine!!! I was told to drain some anti freeze out. It would have been much easier if, I had placed a rag under sensor, to catch fluid. Have new sensor ready to install.A check engine light can indicate a broad spectrum of problems with your 2007 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ...4356 posts · Joined 2009. #2 · Jan 4, 2011. yes they are related, the remote start wont work with a check engine light on. you'll need to get it scanned to get a code. most auto part stores do it at no charge.Replace the failing catalytic converter (clearly the right thing to do) Fool the emissions system by installing a spark plug non fouler on the secondary O2 sensor (may get you into trouble if discovered depending on local laws, environmentally inconsiderate, etc) With the actual codes there might be other options / info. Hope this helps. Click ...The most common reasons a Pontiac G6 has a check engine light are an emissions system component, a sensor, or a catalytic converter. 0 % 40 % of the time it's the. …Sure, you could take it to a mechanic—but there's a quicker way, and it's free. A car’s “check engine” light is so mysterious. “Something is wrong!” it visually screams. What is wr...Service Information 2008 Pontiac G6 | G6 (VIN Z) Service Manual | Document ID: 2324430 #PIC4677C: No Start No Crank Intermittently / No Communication Over High Speed LAN - keywords connector inop inoperative lamp light loose message on onstar U0121 U0101 U2100 U1040 P0700 P2544 U0073 VCIM warning - (Aug 10, 2009)CarComplaints.com Notes: Unfortunately the 2008 Pontiac G6 continues a serious trend of steering problems from the prior model years. 9.0. really awful. Typical Repair Cost: No data. Average ...Start your G6. Connect the black cable of the multimeter to negative terminal of the battery, and the red cable to the positive terminal. The voltage should be between 13.5 and 14.8 volts with the engine running. Switch on the accessories in your G6, for example, headlights, AC fan at full speed, and interior lights. A check engine light can indicate a broad spectrum of problems with your 2006 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ... A check engine light can indicate a broad spectrum of problems with your 2007 Pontiac G6. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon ...Feb 25, 2021 ... Check Engine Light? System Too Lean - Code P0171 or P0174 on Your Car or Truck. 1A Auto: Repair Tips & Secrets Only Mechanics Know•1.1M views.This is a simple fix for the Pontiac G6 3.9L if the check engine light is on, before buying any part I would highly recommend check those wires.C. crcole2 Discussion starter. 24 posts · Joined 2010. #1 · May 29, 2010. I have a 2007 g6 3.5 and i went to go get it inspected and it failed because the check engine light didn't come on when i turned the key to the "on" position? Any tips to trying to diagnose the problem?On the inspection sheet it said-.Directly below are the common causes for the Pontiac G6 battery warning light. The potential fixes are presented in a good way to check your car. 1. Check The Serpentine Belt. Before testing your G6’s battery, examine the basic things. The serpentine belt that turns the alternator is top of the list.The man who owned it said the light comes on because he pressure washed the underside after cleaning the outside before he put it up for sale. Now, I've checked the oil level and its good but, the oil dashboard light comes on for maybe 5 minutes while driving then goes off. It may stay off for quite a while but, will come back on.Common symptoms of overheating include smoke coming from under the hood, a pegged temperature gauge, and (eventually) a blown head gasket. If your G6 is overheating, stop driving it immediately to avoid damaging the engine. Ignoring an overheating engine can lead to serious engine problems. A blown head gasket, engine …No. Pontiac Mechanic: Dave Nova. The traction control system (ESC) is integrated with the ABS system. The first step in diagnosing the problem is to scan for trouble codes. This requires an advanced scan tool (most just do engine related codes). Once tyou have the codes from the system you will be able to narrow down the area of …That issue goes back to the 04 Malibu I had with the 3.5. Temp gauge went to zero, code PO116, replaced temp sensor under warranty, came back again and ignored. Someone posted on another forum that it was a issue with module connection, can't recall. 09 G6 2.4 Sun & sound package-Preferred package. 225/50R17S factory.This is usually caused by a bad exhaust CMP actuator solenoid or it's circuit (bank 1 if the 3.6l engine). Please search in this forum on "P0014" & read those threads first & come back with any questions. This part is covered under the powertrain warranty. 1104: This code is not used for your car. Recheck this one.When there is a large leak in the Pontiac G6’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your G6 has a small EVAP leak. While the trouble code may state that there is a “large leak” in the ...Sep 29, 2017 · 866K subscribers. Subscribed. 3.6K. 98K views 6 years ago. Come along with Eric O. as he covers the steps in diagnosing this Pontiac G6 that came in with the engine light on and the dreaded... O7 g6 gt 3.5 rough idle, traction control light on, check engine light blinking Pontiac G6, last week. plugs and wires - Answered by a verified Pontiac Mechanic ... Was driving home and check engine light and traction control light came on along with engine reduced power in a 2008 pontiac g6 2.4 engine. Made it home and put code reader on …It has the 3.5 engine in it and yes it was only about 50 minutes after replacing the cat. I cleared the code and so far no engine light has come back on. I have another question for you though. I have another g6 gt coupe with no engine light and it is jerking and sputtering at constant speeds.Fuse box diagram (fuse layout), location, and assignment of fuses and relays Pontiac G6 (2004, 2005, 2006, 2007, 2008, 2009, 2010).2 posts · Joined 2008. #15 · Oct 7, 2008. I have a 2008 G6 w/2.4L 4-cyl engine. At 7700 miles the check engine light came on. At the dealer they said the Evaporative Emission Canister was leaking. They replaced that, …However, I have been experiencing problems with my G6 GTP traction control. It started a few months after purchasing this car. I now have about 176,000 miles on it and the traction control is really acting up. The light comes on, as if I turned it off. The engine light comes on and off, even at times starts blinking.What to expect when your 2007 Pontiac G6 has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the ...2007 Pontiac G6 130,050 mi, Visitor. Check engine light due to gas cap displayed and gas metor started decreasing showing I was burning gas at a rapid pace. I pulled over, and after pulling over checked the cap, and the cap was fine. Got back into my car, and the check engine light was gone.Mar 21, 2013 · Mark answered 6 years ago. I have a 2008 Pontiac G6. Engine light was coming on, temperature gage would not work and air-conditioning would blow but not blow cold air. I was given the code P0128, which is the coolant temperature sensor. Replacing next week for a total cost of $85. Question type: Maintenance & Repair. my daughter's 07 G6 engine light has been on for a couple months now. We have tried the fuel cap thing with a reset but it …The 2007 Pontiac G6 engine compartment fuse block is located on the driver's side of the engine compartment, near the battery. The wiring circuits in Pontiac G6 are protected from short circuits by a combination of fuses, circuit breakers and fusible links. This greatly reduces the chance of damage caused by electrical problems.Ignition OFF for 60 seconds. 5. Start and idle the engine in PARK for 3 minutes. 6. After the 3 minute run time the engine should be idling normal. Important: During the drive cycle the check engine light may come on with idle speed DTCs. If idle speed codes are set, clear codes so the ECM can continue to learn.Jan 2, 2020 ... ugly HP•74K views · 4:53. Go to channel · The Top 5 Reasons Your Check Engine Light May Be On. haile auto garage•1M views · 14:47. Go to channe...Aug 11, 2018 · When there is a large leak in the Pontiac G6’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your G6 has a small EVAP leak. While the trouble code may state that there is a “large leak” in the ... While LED lighting has been around since the 1960s, it’s only now coming into widespread use. Find out more about the next generation of energy efficient lighting for homes, office...Fuse box diagram (fuse layout), location, and assignment of fuses and relays Pontiac G6 (2004, 2005, 2006, 2007, 2008, 2009, 2010).Shifting Issues and Lack of Power. First and foremost, one of the problems I have sometimes with forums is the lack of information provided by the writer, so I am going to be as detailed as possible. What we're dealing with is a 2008 G6, 4dr, 2.4 ectotec. It has approximately 115k miles on it.Dec 20, 2005 · bigbengt67. 546 posts · Joined 2005. #7 · Dec 20, 2005. ^ Correct Bob, TC will not help you in any way at all when turning, nor will it make you spin in a circle without turning the steering wheel. The G6 GTP has Stabilitrack. Wheels will still spin if the TC engeges and you keep on the gas. Sep 29, 2017 · 866K subscribers. Subscribed. 3.6K. 98K views 6 years ago. Come along with Eric O. as he covers the steps in diagnosing this Pontiac G6 that came in with the engine light on and the dreaded... Service engine light flashing. I have a 2005 G6 4 door sedan with 182K miles. The service light flashes intermittently and a chime sounds. The light on the instrument panel is the one that looks like a car with a wrench. Nothing displays on the driver information center. It does not stay on, and the vehicle runs fine.Feb 9, 2009 · I have a 2007 Pontiac G6 GT 3.5 liter V6. One day I drove it and the check Engine light came on and a message came up on the display "Reduced Engine Power". The car started to run very badly. I parked it, looked under the hood saw no signs of anything wrong, disconnected the battery to reset the computer and the car ran fine!!! CruisinG6. This problem is commonly mis-diagnosed as a camshaft position sensor, its usually in fact the camshaft Position Actuator. This is likely your problem. As far as I'm aware it's pretty simple to replace, the only problem is the part is dealer only and can be expensive. This problem could also be a connection issue with one of the plugs ...P1116 ECT Signal Unstable Or Intermittent - Read Our Article on Intermittent Diagnosis For Help With This Pontiac Check Engine Light Code. P1117 Engine Coolant Temp Signal Out-Of-Range Low. P1118 Engine Coolant Temp Signal Out-Of Range High. P1119 ECT Signal Out Of Rage With TFT Sensor.The 2005 Pontiac G6 has 1 problems reported for engine light on. Average failure mileage is 95,000 miles. ... Factor in the 2005 Pontiac G6's poor side impact protection & you end up with a ...Check Engine Light Is On. 2007 Pontiac G6. « back to engine. Complaints 2K. Crash Tests 5. Recalls 5. Investigations 3. TSBs 1175. Lemon Law. …1) Check engine light comes on intermittently. 2) Temperature gauge needle does not move when check engine light is on. 3) When the check engine light is on, and the needle hasn't moved, I get no cool air from the AC. I can get hot air with no issues, just no cool air. This whole problem is intermittent.Aug 4, 2013 · 303 posts · Joined 2012. #2 · Aug 4, 2013. In a turn, the oil will slosh to one side of the sump. In your case, when this happens, it sounds like the pickup is sucking some air for a moment resulting in the light coming on. I'd check the oil level and make sure it's not low.

2389 posts · Joined 2011. #2 · Aug 14, 2011 (Edited) Engine Power Reduced typically means a problem in the throttle actuator control system. But you need to resolve that diagnostic link connector issue first. If the scan tool is not powering up when connected & key ON, there is a power or ground issue at the connector.. School closings manistee

engine light on pontiac g6

Pontiac G6 – (Joseph Creamer / Shutterstock) There are several possible causes of low oil pressure warning light in Pontiac G6, including low oil level, a malfunctioning oil pressure sensor, a clogged oil filter, or a failing oil pump. 1. Low oil level. A low engine oil level can cause the low oil pressure warning light to turn on in your G6.The Check Engine Light With Code: P0011, P0014, P0021, P0024, P0341, P0346, P0336, and/or P0391 on Pontiac G6 Problem Description Vehicles with certain V6 engines may illuminate the Check Engine Light one or more of the following codes: P0011, P0014, P0021, P0024, P0341, P0346, P0336, or P0391.No. Pontiac Mechanic: Dave Nova. The traction control system (ESC) is integrated with the ABS system. The first step in diagnosing the problem is to scan for trouble codes. This requires an advanced scan tool (most just do engine related codes). Once tyou have the codes from the system you will be able to narrow down the area of …CruisinG6. This problem is commonly mis-diagnosed as a camshaft position sensor, its usually in fact the camshaft Position Actuator. This is likely your problem. As far as I'm aware it's pretty simple to replace, the only problem is the part is dealer only and can be expensive. This problem could also be a connection issue with one of the plugs ...When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Pontiac G6. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Pontiac G6 built after for the 1996 model year and up.A link from Reuters A link from Reuters China has given the green light to 60 infrastructure projects worth more than $150 billion, as it looks to energize an economy mired in its ...Reduced Engine Power Causes: Pontiac G6. If you have the reduced engine power light, then there are going to be some diagnostic trouble codes stored in your OBD II system. This is great news, since it helps narrow down where the ECU thinks that the problem is. A good code scanner is really cheap and can make the process a whole …4356 posts · Joined 2009. #2 · Jan 4, 2011. yes they are related, the remote start wont work with a check engine light on. you'll need to get it scanned to get a code. most auto part stores do it at no charge.The free Rip3D application "IES Generator" creates Illuminating Engineering Society, or IES, files. These files are typically distributed by manufacturers of lighting materials to ...1. Faulty Alternator. Faulty alternator is the leading cause of red battery light illuminating in G6. The alternator converts mechanical energy from the engine to …Reduced Engine Power Causes: Pontiac G6. If you have the reduced engine power light, then there are going to be some diagnostic trouble codes stored in your OBD II system. This is great news, since it helps narrow down where the ECU thinks that the problem is. A good code scanner is really cheap and can make the process a whole …Wrong Octane/Bad Gas. Bad fuel can cause your G6’s engine to knock. The wrong fuel can also cause a knocking sound. Using fuel with the proper octane rating is essential. If you need to be using premium fuel, use it. Air/Fuel Mixture Too Lean. Sensor issues can cause the air/fuel mixture to lean out.What to expect when your 2007 Pontiac G6 has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the ....

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