2 problems with my 2000 ssei - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-24-2005, 07:31 AM   #1
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Default 2 problems with my 2000 ssei

Problem 1:The car does this sometimes.I go wot and the car starts hesitating(feels like kr). So I connected the Autotap and scanned it. 0kr and 0 misfires.

Problem 2:Car only boosts 3-4psi. Thats with a 3.4 pulley. Ive scanned it with both Autotap and Ls1M(0kr on both scans). Thing is that it would only boost 3-4psi when it had the 3.8 pulley so i know its not knock.

No codes are set but the Evap system like once every 3 months. Anyone have a clue wtf is wrong with my car
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Old 07-24-2005, 09:59 AM   #2
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for the Boost i would have to say and adjust your Boost bypass, it sounds like your dumping alot of boost
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Old 07-24-2005, 10:20 AM   #3
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Both symptoms sounds like an vacum leak, check the lines, look at the T under the nose and the Map sensor at the back of the motor.
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