V10 Hard Start When Adding Fuel
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Cross-Country
Joined: Apr 2010
Posts: 75
Likes: 0
From: NE Okla.
V10 Hard Start When Adding Fuel
I've got an 05 V10 that always starts perfectly, hot or cold.
But I've noticed that it takes several attempts to start only after I fuel up the tank.
No engine check lights/codes.
I have cleaned the IAC.
Anyone had this problem?
But I've noticed that it takes several attempts to start only after I fuel up the tank.
No engine check lights/codes.
I have cleaned the IAC.
Anyone had this problem?
Cargo Master
Joined: Apr 2013
Posts: 3,087
Likes: 25
From: Central Florida
I read this guy's problem yesterday and was intrigued. This problem is very unusual. I'll be watching this thread.
Junior User
Joined: Apr 2006
Posts: 95
Likes: 3
From: Peoria AZ
Sounds like your canister purge valve is stuck open.As you fill your tank the
vapors are pushed into eng causing extended crank.I'm a 33 year gm driveability tech-just replaced 1 today for the same reason on a 11 buick enclave.
vapors are pushed into eng causing extended crank.I'm a 33 year gm driveability tech-just replaced 1 today for the same reason on a 11 buick enclave.
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Cross-Country
Joined: Apr 2010
Posts: 75
Likes: 0
From: NE Okla.
Thanks!
Problem only occurs when I fill the tank.
Opening the gas cap does not cause the problem.
I have noticed that there isn't pressure when I open the cap.
No hiss or anything.
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FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
That makes a lot of sense. Don't you usually get a code for that though? The 2005 V10 is OBD-II and should be monitoring EVAP stuff...
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Cross-Country
Joined: Apr 2010
Posts: 75
Likes: 0
From: NE Okla.
Several months into the occurrence I did throw a single code.
I don't remember the number but it pointed to the EVAP system. As I recall it wasn't very specific as to what part of the EVAP was causing the prob.
I reset it and it never came back.
I don't remember the number but it pointed to the EVAP system. As I recall it wasn't very specific as to what part of the EVAP was causing the prob.
I reset it and it never came back.
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