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#1
04-25-2009, 06:41 PM
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91 Lesabre
Hello,
Our Buick Lesabre 91 3.8L when in parking gear revs up fantastic.The moment we put it in gear, the engine starts stuttering pretty bad especially when the accelerator is pressed at more then a quarter( plus minus), the only way to diminish the stuttering and explosive firings is by reducing gas to a minimum. We just change O2 sensor, it was not the issue. The computer pulled up nothing. Any ideas welcome  Thanks a bunch. 
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#3
04-25-2009, 06:47 PM
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Re: 91 Lesabre
Other wise its an ignition issue. Bad wires will cause the same symptom. With it running at idle spray the wires with water and look for sparks. If you see tham its time for a tune-up!
its not impossible but not common for O2 sensors to cause driveablitity problems.
__________________
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#4
04-25-2009, 06:53 PM
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Re: 91 Lesabre
Thanks Airjer,
yeah the MAF sensor is good, it's not the problem....I'll try the ignition thing you said.... 
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#5
04-28-2009, 03:06 AM
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Re: 91 Lesabre
Was the Sparkplugz !!! DUH
 C ya all
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