Should it run this hot? - 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 03-11-2004, 10:21 AM   #1
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Default Should it run this hot?

Hey, a quick questions, or questions.
I just bought a 92 Bonne SSEi and should it run at over 200 degrees all the time. I know that doesn't seem abnormaly high, just curious. Also, I have a dead spot when I mash the gas, The car will start lurching and picking up speed very slowly and the boost gauge seems to peg. I am replacing the coils today, but it seems like the car is starving for gas to me. I have read a hundred post but heard nothing definitave? I don't suppose there is any one in Raleigh who can help me out?
thanks
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Old 03-11-2004, 10:53 AM   #2
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200 deg is too high. Get 180 deg thermistat. And have u replaced the fuel filter lately?
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Old 03-11-2004, 11:09 AM   #3
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1) the temp issue, is the coolant level ok? When was the last time the rad was flushed? The 180*f thermostat will help but the stock should still keep the engine cool.
2) The dead throttle may be the throttle posistion sensor as well as the fuel filter. How many miles on your car? I dont suspect the coils as it always happens at or near the same throttle posistion? When the boost gauge is pegged are you at wot or does it seem to be pegging early?
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Old 03-11-2004, 11:56 AM   #4
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Default Should it be this hot

I just replaced the fuel filter. The car has about 78000 on it and I have only had it for a few days, I bought it at a police auction where it may have been sitting for up to a year. It is only doing the cutting out when it is warmed up. The antifreeze looks good, but the overflow is too full. This morning I couldn't get any heat out of her ( this is the first time it has happened) I am not sure what the abbreviation wot means? I just noticed that the boost guage pegged this morning. Thanks for your quick response guys, I wanna get this thing running right asap.
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Old 03-11-2004, 12:14 PM   #5
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also go ahead and get a new O2 in it my wifes GP had that prob aswell cold it would run like a scalded dog but after it warmed up it got it'* nuts cliped and i puled out a factory O2 with the sparl plug bolt end on it lol when was the last time you seen a spark plug part on a O2 ? lol but i would give that a try
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Old 03-11-2004, 12:17 PM   #6
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WOT is wide-open throttle.

My car has always run between 200 and 210. That seems high to me too, but thats what it does.

The dead throttle could also be a dirty throttle body. Its easy and free to clean, so i would start there.
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Old 03-11-2004, 01:28 PM   #7
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There are alot of things it could be. Pegged boost gauge and poor accelleration could be an indicator of a clogged catalytic converter, especially if the car has been sitting. Crawl under there and punch it. Do you hear anything? If you hear rattling or the sound of sand shifting around, change it. The cat can also explain some of your high temps

Also change your plugs, wires, air filter, pcv valve, have your coolant and trans flushed, and remove and clean the throttle body. You are in need of a major tuneup.
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Old 03-11-2004, 03:24 PM   #8
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Quote:
Originally Posted by willwren
There are alot of things it could be. Pegged boost gauge and poor accelleration could be an indicator of a clogged catalytic converter, especially if the car has been sitting.
Abso-tively. The pegged boost gauge combined with the weak performance means that the intake manifold is getting wildly over-pressurized because the exhaust has nowhere to go.
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