2002 GMC Envoy "bad injectors" Questions

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...be illuminated. Causes: The causes of a P0210 engine light code could be any of the following: * Bad injector. This is usually the cause of this code but doesn't rule out the possibility of one of ...

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...coil all replace. code#p0302 n p0453 seem to be my problem. could it be my distrubtor cap gone bad injector problem or is it a compression problem to cylinder#2. any advice is appreciated remove ...

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Question about GMC Envoy

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...sensors. Hopefully this helps....post additional info if you need additional help!! Could be a bad or dirty fuel injector. did you gap the plugs? did you change the

Question about GMC Envoy

1 Answer

...**** is clogging it up. Make sure you are getting a reliable spark to that cylinder to rule out a bad ignition

Question about GMC Envoy

1 Answer

...engine do you see a spark? You didn't mention if you checked the wires or not, but it could be a bad plug wire. If there is a spark, I'd try and see if the #2 injector is actually firing like you ...

gmc envoy with misfire in number 1 cylinder misfire in number 1 cylinder You could have a bad spark plug or a bad coil pack for cylinder 1. Or it could be as simple as a poor connection at the coil ...

Question about GMC Envoy

1 Answer

...bad. When I get up to highway speed it runs good until I slow down. Do you have any idea what this could be? It could possibly be dirty injectors. Try a good injector cleaner, I've had good luck with ...

...P0305 code is indicating that there is a misfire of cylinder number 5. This could be caused by a bad spark plug, bad coil pack, injector, poor

...next to it. You should hear the air pump come on when you start the vehicle. If not the relay is bad. You can jump the relay to see if the pump is bad or the relay is

Question about GMC Envoy

1 Answer

running rough Could be a bad spark plug or coil pack. Also could be a bad fuel injector. Is you Check Engine light on? If so, you need to have the fault codes read to see what the problem is. Take it ...

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