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97 Buick Lesabre hesitation

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mrhudd
New User

Aug 26, 2007, 2:28 PM

Post #1 of 4 (3561 views)
post icon 97 Buick Lesabre hesitation Sign In
My 97 Buick Lesabre has a hesitation while driving. The engine will start to feel like it is spitting and jumping but you never lose speed and the tach starts to jump around. I can tap the breaks and it will stop for a few minuets or I can step on the gas and power through it. I have had a engine tune up w/new plugs and wires. I regulary change the oil every 5k. I had a 99 that never had this type of problem. Can you swap the computer from a 99 and make it work in a 97? What could be causing this problem?


thomas74
User

Sep 3, 2007, 1:18 PM

Post #2 of 4 (3549 views)
Re: 97 Buick Lesabre hesitation Sign In
i would check for moister at the computer plugs. unplug ur computer and look for water if it looks nasty clean with electric spay for plugs my first place to look also your tcc sensor could do it and your catlic converter as well


Guest
Anonymous Poster
mbhudd@alltel.net

Sep 3, 2007, 4:50 PM

Post #3 of 4 (3547 views)
post icon Re: 97 Buick Lesabre hesitation Sign In
thanks for your reply i have found a bad carbon problem in idle sensor, and erg. cleaned and problem seems to be better. new maf and map also


thomas74
User

Sep 3, 2007, 4:59 PM

Post #4 of 4 (3545 views)
Re: 97 Buick Lesabre hesitation Sign In
thats cool so its fix now good job





 
 
 






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