I have a 2001 Grand Am 120k miles idles rough and stalls. Error P0108 so replaced map sensor and hose, still hase same problem.
Other live data from the computer analyzer FUELSYS1 OL_FAULT. map IN Hg 25.4. RPM 956. Sparkadv -3 degrees, IAT 66F. have a 2001 Grand Am 120k miles idles rough and stalls. Error P0108 so replaced map sensor and hose, still has same problem. Fuel pump was replaced 6 months ago.
Had a similar problem, don't remember the code now... but it was the Fuel Regulator at the end of the Fuel Rail. Smell for Gas in the vacuum tube.
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