2007 GMC P0171 and P0174

rudy99 · **Joined:** Tue Jul 14, 2009 1:42 pm **Posts:** 4

Ok, I've searched the boards and can't seem to find a solution. My 2007 GMC 5.3 truck will not start the first crank (about 5 seconds) and starts great on the second try. The truck seems to run fine once it is fire up. I am not having the idle problems or stalling as some of the other posters have had. Any help?

Sponsored Links · **Joined:** 29 Jun 2004 08:12 pm **Posts:** N/A

jeff compton · **Posted:** Wed Jul 15, 2009 6:42 am

Judging by the fact that it's a gm truck and the codes I say you likley don't have sufficent fuel pressure on the first key cycle to allow the engine to start. check the fuel pressure

2007 GMC P0171 and P0174

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