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Lean, Mean We Build Excitement Machine
Posted to Technical Discussion Forum on 12/21/2004 53 Replies

2001 Pontiac Grand Prix. 3.1 VIN J, ~90K miles. Customer complaint is "Service Engine Soon Light on".

P0171 stored. FF shows 855 RPM, +8 STFT, +21 LTFT, 190 ECT, 5 mph, 30% load.

What direction do you take from here? Battery and charging system okay, fluid... Login to read more.

53 Replies Received (View Replies)