1992 GMC motorhome 454CID Engine

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Posted to GM Miscellaneous on 10/20/2004 42 Replies

Okay, I really hope that someone can help me out with this POS.

This truck will backfire through exhaust going down the highway. It will also run like it is running out of fuel. The fuel pressure regulator was changed and the fuel pressure is normal ([...]). ...

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Vehicle Data

1992 GMC motorhome

VIN	70N6322373
Engine	454 / 8 cyl
Delivery	FI
Affected	Engine
Conditions	Glowing Manifolds, Back Fire, Poor Running
Misc.	Class a Motor Home

Message Closed w/Summary

Vehicle Data

1992 GMC motorhome

VIN	70N6322373
Engine	454 / 8 cyl
Delivery	FI
Affected	Engine
Conditions	Glowing Manifolds, Back Fire, Poor Running
Misc.	Class a Motor Home

42 Replies Received (View Replies)

42 Replies Received (Hide Replies)

Vehicle Data

1992 GMC motorhome

Vehicle Data

1992 GMC motorhome