92 ssei missing studder under load!!!!!HELP!!!!!!!!!! - 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 04-12-2006, 09:06 PM   #1
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Default 92 ssei missing studder under load!!!!!HELP!!!!!!!!!!

Hi, I am new and I am having problems with a 92 ssei.It surges while under a heavy load going uphill. Then it will miss really bad. I tuned it up,,,,,plugs wires. Could it be the icm or coils.....gets hot around 225 sometimes.....I have a 180 degree thermo. I would love to hear anyones advice.....dont know where else to look...oh yea...2 codes.....tps code 21.......new ones x2..........code 58...someone said not to worry about that one.....any help will be greatly appreiciated.
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Old 04-12-2006, 09:17 PM   #2
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Did you ever get it fixed 2.5 years ago? I don't know if the TPS would cause a miss, but I think it could under heavy load. In my experience, I had a weak fuel pump that would crap out under load and got worse the warmer it got.
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Old 04-12-2006, 11:33 PM   #3
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The TPS won't cause any ignition issues, and this sounds very much like one.

Can you do this:
http://www.bonnevilleclub.com/forum/...e=article&k=33
And tell us what you get? At the same time, can you tell us the resistance of each plug wire by number?
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Old 04-13-2006, 04:57 PM   #4
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I had a very, very similar issue with my 92 ssei. I ended up having a combination problem. I had a bad MAF sensor and a fuel pump that would not force enough fuel under load. My other symtoms included running great when it was cold and my pump would act worse the lower the fuel in the tank. i had to refuel at a little lower than half a tank. I had a mechanic test the MAF and we diagnosed and replaced that and then it was pretty easy to diagnose the fuel pump.
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Old 04-14-2006, 08:30 PM   #5
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Default bonnieville missing

No I have never seemed to get it running right from 2 years ago....I ordered a new coupler for supercharger ..............we are going to change that.....put new coils on no help.........could it be the icm or the computer...........thanks for all the input........has a new maf on it about a year old.
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