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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 02-05-2003, 04:22 PM   #1
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Default Boost guage....What The

Okay here is the problem, When I used to accelerate the boost gauge needle would bury, Now when I accelerate I am lucky if it goes 75-85% of the way, WHAT"* WRONG, Thanx for your help
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Old 02-05-2003, 05:39 PM   #2
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did you install a performance exhaust? if not, check your exhaust system for leaks.
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Old 02-05-2003, 10:21 PM   #3
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Are you getting a Service Engine Soon light?
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Old 02-06-2003, 11:15 AM   #4
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Yup, that damn light hasn't gone off for two months and I can't figure out why.
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Old 02-06-2003, 12:42 PM   #5
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well get it scanned and tell will the number!!! hah
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Old 02-06-2003, 02:37 PM   #6
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I agree. Get the codes. I'm betting Fuddy and I guessing the same thing here, but we'll see. I won't post my opinion on a hunch, but I will after the codes
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Old 02-06-2003, 06:02 PM   #7
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Post your hunch, I have to save up $75 for the scan anyway and besides if you have some idea I can pass it on to my mechanic, he'll know what to look for. Besides if that is not what is wrong my mechanic doesn't charge me the time for it.
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Old 02-06-2003, 07:52 PM   #8
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What year is the car? You may not need a scan tool if it has an OBD I computer. In addition, AutoZone will scan any car and give you the codes for free (make sure you write down all of the codes)
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Old 02-06-2003, 08:12 PM   #9
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Yes, post your year and model and any mods in your signature.

I'm betting you only have a $20 part going out on you, but you need to get scanned if it'* throwing a light. It could be something more serious. Get the free scan. If you're 93 or older, there'* a scan procedure in Techinfo for you, if you're 94 or newer, do the free scan at Autozone.
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Old 02-07-2003, 09:23 PM   #10
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My bonne is a 92 SSEi, only mod is a K and N air filter, we don't have an auto zone but have a store called parts source so I'll check there. How do I change my sig again
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