Mystery Idle Freakout
#1
Mystery Idle Freakout
So - after a new crank sensor, thorough cleaning of throttle body/IACV/MAF/hoses and Seafoam - she's been running smooth for about a month now.. Idle steady at +-700rpm.
This morning, she zoomed to 2100rpm and stayed there. Shift to Drive, and like a horse straining at the leash, she sped up. Had to slam the brakes. Driving to the auto shop and riding my brakes, she'd stay at high idle and went down to 1300rpm only if I shift to neutral. Would also lurch lightly right before every full stop. Parked to talk to the mechanic.
Came back after two minutes to drive her in - and it was back to normal 700rpm like nothing happened. No codes, and had a nice two hour drive at 65-70mph.
Is she just schizoid, or is this symptomatic of something more?
This morning, she zoomed to 2100rpm and stayed there. Shift to Drive, and like a horse straining at the leash, she sped up. Had to slam the brakes. Driving to the auto shop and riding my brakes, she'd stay at high idle and went down to 1300rpm only if I shift to neutral. Would also lurch lightly right before every full stop. Parked to talk to the mechanic.
Came back after two minutes to drive her in - and it was back to normal 700rpm like nothing happened. No codes, and had a nice two hour drive at 65-70mph.
Is she just schizoid, or is this symptomatic of something more?
#3
#4
It's OK for a DI 94-95 with a 3.9
If your IACV Connector is F'd up Standard Motor Products (SMP) also makes a replacement S-551.
#5
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#7
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westernsun
Discovery II
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05-27-2006 04:24 PM