Truck wont stay running unless you pump the throttle and keep RPM's up. 60 psi at all times.
Monday, March 31st, 2008 AT 7:01 PM
8 Replies
MASTERTECHTIM
MECHANIC
4,749 POSTS
Is the egr valve stuck open?
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Monday, March 31st, 2008 AT 7:03 PM
MJG76
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Truck starts and runs good for 4 sec then shuts off like out of gas.60 pounds at all times. Dump gas in it will stay runing
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Monday, March 31st, 2008 AT 7:37 PM
MASTERTECHTIM
MECHANIC
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When it stalls and the key is still on, does the theft light flash?
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Monday, March 31st, 2008 AT 7:54 PM
MJG76
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No. Ran scanner no codes
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Monday, March 31st, 2008 AT 8:02 PM
MASTERTECHTIM
MECHANIC
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Does the theft light come on when you turn the key to run? It should come on then go out. Does it? Have you checked fuel injector pulse?
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Monday, March 31st, 2008 AT 8:08 PM
MJG76
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I car play with gas peddle and keep it running
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Monday, March 31st, 2008 AT 8:09 PM
MASTERTECHTIM
MECHANIC
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Sounds like a stuck open egr valve or a severe vacuum leak. These trucks are notorious for a piece of carbon holding the egr valve open causing this exact symptom.