92SSE failed emissions inspection---need estimate online - 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 01-29-2003, 07:51 PM   #1
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Default 92SSE failed emissions inspection---need estimate online



Hi, I need to find someplace online where I can research repair costs. My 92 SSE just failed the emissions inspection (HC=1.1265)...CO, NOx, & CO2 all passed though. The tech told me that it failed by "thismuch & it could be just a $5 wire". (Yeah, right)

Anyway, the brochure states "...suggested items to check are the ignition system, intake manifold, vacuum device, exhaust gas recirculation (EGR) system, catalytic converter, cylinder compression components, carburetor or onboard computer sensors..."

My family wants to get rid of the car. I'd prefer to keep it for as long as I can, so I need to check out prices first. Does this sound like something that'll cost a coupl'a hundred or a thousand or what?
I'll call my car guy next week; I just wanted to get an objective estimate. Thanks
ps: worst thing about this car is the fading on the fin-thing (on the back)...well, that & the black paint flaked off the metal part of the door/window frame. Since the car'* dark blue, the now silver metal looks trashy. I'd really!!!!!!!! hate to sell this. It'* such a tank!
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Old 02-01-2003, 12:38 AM   #2
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Ok, I still haven't found what I'm looking for. But I talked to my mechanic & he suggested that I take it back in for a retest & see if it passes. He claimed that some of the facilities have given clients inconsistant results.
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Old 02-01-2003, 01:11 AM   #3
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If your O2 sensor is quite old replaceing that could fix it
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Old 02-01-2003, 02:28 AM   #4
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Being a 92, you're the only year with no EGR valve. Rules that out!

Failing for unburnt hydrocarbons could mean you're running too rich. I'd change that O2 sensor. Use an AC Delco. The Bosch are provern BAD performers in our engines.

Good luck, and let us know how it goes!
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Old 02-01-2003, 06:37 AM   #5
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if the hydrocarbons are too high, try checking the plugs, with DIS , and the high voltage that they use, i have seen the electrode on the plug wear to the point that you have a plug gap like 0.090- 0.120 of an inch. this will result in some unburnt fuel giving a high hydrocarbon reading
hope this helped
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