DaveCarter Posted May 7, 2008 Report Share Posted May 7, 2008 I had the "loping" and engine miss symptoms along with P0101, P0171 and P0174. Changed the Plenum Duct. Now, car starts fine but idle stays at 2000 RPM. If I touch the throttle pedal the RPM goes up to 3K or 3500K and stays there. I see no binding of the throttle linkage. Sometimes it will "stumble and idle will go way down and engine will miss, then it will "jump" up to 2K RPM. Also I have a P0101 MIL code. Does anyone have any insight into what the problem could be? Car is parked at friends shop and I don't have a clue as to next step?? Thanks in advance, Dave Link to comment Share on other sites More sharing options...
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