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performance issue
Posted by joe c. 85 900T (more from joe c. 85 900T) on Sun, 28 Sep 2003 18:39:32
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This is a wierd one that I can use help with...
Symptom: after driving the car relatively hard (boost in the yellow arc), the car will stumble and have a hard transient, almost as if the ignition was quickly turned off and then on.
Sometimes the car will do this very quick studder while accelerating, then continues to run normally. Sometimes the car will stall while accelerating. After stalling, tuning the ignition key OFF then ON restarts and the engine runs OK. After running hard, the car sometimes will 0ccasionally (once every 5-10 minutes) buck even at constant speed.
What's been done to date: all vacuum leaks fixed (bushings, lines, etc.), rebuilt AMM (fixed the idle rpm oscillation) and a new O2 sensor. The car has 252,500 miles on it, idles perfectly.
Is this possibly a distributor/Hall effect sensor problem?
This one has me stumped!
Any help would be appreciated...
posted by 65.129.2...
Posts in this Thread:
- performance issue, joe c. 85 900T, Sun, 28 Sep 2003 18:39:32 <-- Viewing This Message
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