1994 Pontiac Bonneville Problems!!! - Page 3 - 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 03-30-2003, 04:50 PM   #21
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ok went to autozone and advanced auto parts to have codes pulled and the tool reads link error each time it was tested..one autozone worker stated that they changed the conectors or something that year and it won't read...

he said it'* for a 94 and up but maybe my car was manufactured in 93 and was just called a 94....afterwards I looked and it was manufactured in March 1994 so that had nothing to do with it right?

anyway they said they could test the Ignition module...under the coil packs and he said it failed and he tested it twice..but then he turned around and said that it is a possibility that this is not your problem even thought the machine said it failed i would get another opinion from the dealer/etc..and if i purchase one from them it cannot be refunded if the problem persists!

I had asked some questions about a scan tool on the neon site that I am a member of and one person said this:

Quote:
Rick '99 Flame Red R/T The GM product, older GM only required a paper clip to short 2 contacts in the OBD connector to get the CEL to flash, not sure if that was carried over until '94.
does that mean anything?

thanks again
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Old 03-30-2003, 08:31 PM   #22
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He tested it twice and it failed twice! I am going to take it to the other autozone across town and see if it fails or pass there..If he mjust tested the module and it fail..is it a sure possibility that there is something wrong with it?

When he tried to pull the obd codes he got link error 3 times

advanced auto got it twice

the other autozone got link error twice also!
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Old 03-30-2003, 10:02 PM   #23
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I had a similar problem with my 94 SSEi, cam and crank position sensors were bad, however, my car was throwing CEL'* at me every time I started it. Is yours?
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Old 03-30-2003, 10:34 PM   #24
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Hey thanks for your help..They all had the same scan tool an Orange actron..that they plugged right in....all came up with the no link error..where did you get your tool?

thanks
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Old 03-31-2003, 08:59 AM   #25
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does you scantool company have a website that could probably have the same exact tool?

thanks!
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Old 03-31-2003, 10:42 PM   #26
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ok what is best to get from autozone?

thanks
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Old 04-02-2003, 02:20 PM   #27
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Quote:
Originally Posted by Widerman
I had a similar problem with my 94 SSEi, cam and crank position sensors were bad, however, my car was throwing CEL'* at me every time I started it. Is yours?
Here is the thing..My cel light has come on before..but it goes off when I turn the switch off and back on again..

Maybe that is a clue to figuring this all out
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Old 04-02-2003, 04:23 PM   #28
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The light will not come back on for a while.actually..no light while driving..sometimes when i first start it it will come on then if i turn caroff and re-start then the light will be off ad not come back on again for a few more days..so it comes on intermittently..not at everystart-up but never while driving and never twice in a day no matter how mant times i restart
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Old 04-03-2003, 01:31 PM   #29
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hey all I am taking it to the shop tomorrow..they quoted me over the phone that it will be about 30 bux to put it onthe machine..(i know it will be more expensive when I get it there) Anyways more people have responded with things that they think could be the culprit.
1. Anti-theft Security????
2.EGR valve
3. tcc selenoid ..tranny problems????
and one guy responded with this:

4.i worked on my bosses bonneville and it had all sorts of strange codes, stalling, backfiring and not running periodically. The computer also would engage the starter for no reason while it was running. We found that the air plenum on top of the engine was warped and allowing antifreeze into the engine. Ended having to do a head job and a new air plenum. I guess the mixture of antifreeze in the system was causing all kinds of faults with the computer. Not saying this is what you are having but GM let us know that the air plenum was a very common problem. May be worth taking off and looking in the intake. My bosses intake was flooded when I removed the air plenum.


now one last thing..i hear you just about have to pull the motor to get to the cam sensor/crank sensor..is that true?

thanks
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Old 04-03-2003, 03:10 PM   #30
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A couple of comments here that I have learned.

The Series II N/A engine using a plastic upper intake manifold (plenum) and due to heat in the engine, it causes the manifold to warp and crack allowing coolant in....which is bad!!! It usually results in new heads and major engine work. The SC'd version however has a supercharger as its intake manifold....not plastic. Also the Series I 3800'* have aluminum intakes I believe. The cracking of the intake manifold is inevitable. It can be slowed with a 180T-stat.

As for the cam sensor (code 41) I have this problem too, the cam magnet is broken and in order to fix it, it requires major labour to pull the engine apart to get to the cam shaft. Usually, when a mechanic or a "pro" is in there, they will replace your timing chain. I have been quoted 4-5 hrs at $85 an hr/plus parts. Jrs3800 had the same cam magnet/cam sensor problem. But he had the resources to fix it outside of a shop. Some of us are not so lucky. I just live with the problem. It affects my performance tho...

I didn't think this was such a problem on newer (ie 95'* etc) only on the older 3800'*
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