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Rough idle? P0171, P0174? Here's what you need to check first!!!
No such luck on my 2002 expy. I had the 174 and 171 codes and the truck hated the cold weather, shaking and stalling when it came to a stop. As it warmed up the problem seemed to go away- which meant the intake gasket was probably going bad. I replaced the intake manifold and the problems were...- Zombiehunter00
- Post #85
- Forum: How To Section
