What was the misfiring on my GMC Acadia?

Misfiring on 2-4-6 cylinders. Then ran a little bogged out as I limped home. I replaced all 3 coil packs and spark plugs. Ran fine for a before and misfiring. All with check engine

Is there a problem with the Acadia transmission?

While many cars have minor problems that need kinks worked out, the Acadia had some big trouble in the first release. The transmission proved to be a truly weak point with this wave of Acadias. The transmission would completely give out for the Acadia, needing a full replacement.

What causes a GMC Acadia engine to blow?

A GMC Acadia blown engine was not exactly unheard of, typically starting with a loss of power and turning into dead cylinders. There’s also a commonly-found leak from the timing chain cover. When many engine problems compound the cost of engine rebuild or replacement is usually too high to be worth doing.

How to troubleshoot a GM Truck misfire?

This isn’t the only symptom that your GM van, pickup or SUV might experience… here are some more that you might see: P0300: Random Cylinder Misfire. P0301: Cylinder #1 Misfire. P0302: Cylinder #2 Misfire. P0303: Cylinder #3 Misfire. P0304: Cylinder #4 Misfire. P0305: Cylinder #5 Misfire. P0306: Cylinder #6 Misfire. P0307: Cylinder #7 Misfire.

Misfiring on 2-4-6 cylinders. Then ran a little bogged out as I limped home. I replaced all 3 coil packs and spark plugs. Ran fine for a before and misfiring. All with check engine

What are the missfires on a 2008 Acadia SLT?

I was wondering what the outcome of going to the dealer with the connector information mentioned here. My 2008 Acadia SLT shows #3 & #5 cylinder missfires. The shop said the coils needed replacing. Before replacing thou, they swapped 1,3,5 coils with 2, 4, 6 and changed the spark plugs. Their equipment still said #3 and #5 missfires.

What causes a 2009 enclave Acadia to misfire?

On some 2009 Enclave, Traverse, Acadia and OUTLOOK models, the ignition coil circuit connections may cause engine misfires that may lead to repeat catalytic converter failure as well as scoring of the cylinder bores.

What kind of engine does a 2011 GMC Acadia have?

Used 2011 GMC Acadia Engine The 2011 GMC Acadia’s strong 3.6-liter V6 uses variable valve timing and gasoline direct injection technology to enhance responsiveness, deliver good engine power and provide a maximum tow rating of 5,200 pounds.

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Why is my GMC Acadia cylinder light not working?

The ground for the coils on the front head had the eyelet crimped around the casing of the wire from the factory not getting a proper connection redid eyelet problem solved. the may have had a run on bad crimps. worth a look 2 people found this helpful. Check engine light came on one day.

What does open loop mean on a GMC Acadia?

3 people found this helpful. That fuel code (If it starts with FC ) is telling you the engine is operating “open Loop” meaning the O2 sensor is not being used. This is normal while the engine is warming up. It is NOT normal once th engine is hot.

What are the missfires on my 2008 Acadia?

My 2008 Acadia SLT shows #3 & #5 cylinder missfires. The shop said the coils needed replacing. Before replacing thou, they swapped 1,3,5 coils with 2, 4, 6 and changed the spark plugs. Their equipment still said #3 and #5 missfires.

Why do I keep getting misfire codes on my truck?

Truck will lose power, burn gas, may idle bad at times. Codes will sometimes pop up when under light load. Lately added some stp treatment and codes will pop up after driving for about 15 minutes. Also noticed that the transmission/engine will rev up high at around 55mph when trying to accelerate.

What are the misfire codes on a Buick Enclave?

Did nothing. These were the codes it was throwing: 300 (random misfire), 102 Mass or Volume Air flow Circuit Low Input), 113 (Intake Air Temp Sensor 1 Circuit High Input), 202, 204, 206 (Injector Circuit/Open- cylinders 2, 4 ,6) and 449 (Evaporative Emission System Vent Control Circuit Intermittent).

What happens if there is no cylinder misfire counter?

If there is not a Cylinder Misfire Counter, then you might have to switch components—such as coils, spark plugs, etc.—in order to isolate the root cause of the misfire. It is also important to note and record any other codes because the engine may be misfiring due to the failure or malfunction of another system or component.

What causes a misfire code on one side of the engine?

Catalytic Converter. One of the most common problems that will cause misfire codes on one side of the engine is a clogged catalytic converter. This issue only applies to vehicles that have two catalytic converters, one catalytic converter for each bank. A catalytic converter that is completely or partially clogged will restrict the exhaust gases.

How many misfires did the GMC Acadia have?

Hooked up the diagnostics and had like 6 pages of codes with misfires and initial startup parameters not met or failed. cleared and it stayed off for like a month.

Are there any fixes for a cel engine misfire?

Car has a CEL which was Engine misfires the dealer notes said 1-3-5 cylinders and just replaced the plugs…light is back on with misfires…so searching around I found TSB# 4016 and it says engine misfires on 1-3-5…but I cant tell what the fixes are for this TSB…Can anyone look up this TSB and tell what the fix is for it?

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