Questions & Answers for: GMC steam vaporizer

I have a 2004 GMC Sierra extended cab. When I put I have a 2004 GMC Sierra extended cab. When I put gas in the fuel tank I have to put it in very slowly or it will blow it back out. It acts like the ...

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Question about 2004 Sierra 1500 Crew Cab

2 Answers

I am getting codes Po449 and P0455 on my 2004 GMC Sierra 1500. I put a new fuel cap and then had the computer reset. The engine light went away but came back later that day. What do you suggest I do ...

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'04 yukon denali. Gas pump shuts off at every $2.00. Excessive pressure when cap is removed to fill. Not sure if vent is clogged. Need help. Any suggestions? Sounds like vent tube or vapor canister is

Question about 2004 Envoy

1 Answer

long cranking after refueling Hello calafrmc. When this happens it is usually the canister purge solenoid stuck open. This solenoid/valve is normally closed. It only opens when the vehicle is on the ...

Question about 2006 Sierra

1 Answer

the onboard dash computer of my 2006 sierra z 71 4x4 says to tighten my fuel cap, and now my check engine light is on. there is only 94000 km on this truck Hello, This is a common issues with this ...

Question about 1999 Jimmy

1 Answer

My service engine light on my 99 gmc SLT jimmy came on but my engine is not making any loud noise. What else could be the problem? Have a shop do a smoke test on the vapor line between the engine and ...

Location of Vapor Canister on a 2009 GMC Sierra Where is the Vapor Canister located in the engine On the motor , right behind the alternator and the other one is rear of the gas tank

water is steaming from the exhaust while engine is running oil and water not mixing but excessive water is dripping and steaming from the exhaust pipe while running Water coming from a exhaust is ...

Question about 2003 Envoy

1 Answer

getting code Co267 check engine lght on diagnostic code p0440 Diagnostic code P0440 is an EVAP system problem. All it is, is keeping fuel vapors within the system to be burned again in the intake. ...

Question about 2003 Envoy

1 Answer

where is purge sensor located There is no such thing , What code do you have if any ? There is a purge solenoid for the EVAP system ! evaporative emission system. An there is a vent solenoid , a fuel ...

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