Sputtering - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-11-2007, 03:07 PM   #1
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Well i was driving yesterday and you know how us boosted guys tend to have a heavy foot so i slammed the pedal and when my car went tot he high Rpm'* there was sputtering coming form the supercharger. Is it because i need a new belt or could it be from the something else. If i raise the rpm slowly i dont have this problem, but i just gun it then it feels like the belt is loosing grip and i barely go anywhere.
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Old 08-11-2007, 03:12 PM   #2
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You need to check your fuel pressure, and tell us how long it'* been since a full tuneup.
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Old 08-11-2007, 03:58 PM   #3
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last time i got a tune up was in december, ill get back to you on the fuel pressure. i just got an engine overhaul this november.
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Old 08-13-2007, 12:57 AM   #4
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I dont know how to check fuel pressure(no scan tool) but i got this video that might help a little
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Old 08-13-2007, 03:09 PM   #5
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What is your boost gauge doing during this?
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Old 08-13-2007, 04:33 PM   #6
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Quote:
Originally Posted by BillBoost37
What is your boost gauge doing during this?
I've found out that it does the sputtering after going over 5psi. The boost gauge was going normal.
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Old 08-13-2007, 04:38 PM   #7
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Ok...

What does your belt for the SC look like and do you see any belt dust on the SC snout and in front/behind the belt path areas?
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Old 08-13-2007, 07:14 PM   #8
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Now that i look at it, the belts look good. they were just changed 1 month ago actually. No dust either
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Old 08-15-2007, 12:43 AM   #9
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i had a friend of mine check it out and he said its my CAM sensor. Make sense?
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Old 08-15-2007, 11:20 PM   #10
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New clue. i drove it around town and i slammed the gas so its at 3500 rpm and the boost is at 8.5 psi and i held it there for 5-7 seconds. The speed was going up very very slowly and when i let go of the gas SPARKS flew out of the back of the car!
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