Post subject: 1996 Chevy Suburban Code P0174 - runs rough
Posted: Sun Feb 22, 2009 6:20 pm
Joined: Sun Feb 22, 2009 6:02 pm Posts: 1
Hi all, new member here. I have a 1996 Chevy Suburban C2500 7.4 (454) I am having some problems with. It has a code P0174 coming up. I have cleaned the MAF sensor, cleared the code and the truck seems to run a little better for a short time but then the code light comes back on and it starts running bad. The problem is mainly from a start when accellerating. It hesitates, stumbles... but not every time.
The other issue is that when the temp gets below about 35 degrees, the truck won't start. Once it warms up outside, it will start.
Any suggestions on what to check would be appreciated.
You might want to check all the vacuum hoses for leaks and make sure that you dont have an intake manifold leak where a gasket can make it run lean on bank 2 but both banks some times, check or replace the maf sensor might want to try that and check your fuel pressure and see what it is supposed to be at
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