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03 Silerado 5.3 - Fuel Pressure Regulator?
Posted to Technical Discussion Forum on 11/14/2006 9 Replies

Bear with me, I only looked at this truck for a split second. It's a friend of mines. I've been thinking about it so I'd like to see your guesses, even with the small amount of info. It has:

B1S1 O2 code. Random misfire, It's missing on 1,3,5,7 off and on. ... Login to read more.

9 Replies Received (View Replies)