Car doesn't start - 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 11-10-2004, 11:37 PM   #1
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Default Car doesn't start

Long story...

There was a problem in TP sensor and the 'service engine soon' lights on.
I tried to set the computer and unplugged negative battery cable from the battery.

I should have put it back to the battery after 10 minutes, but I didn't.
I put the car in the parking lot almost for 8 hours.

Guess what...

after 8 hours of waiting, I put the negative cable back to the battery and turn the key box.
It didn't start.

It just 'pudle......pudle...pudlee....." like in the winter time.
So I thought the battery might be gone and I called the AAA for batter charge, but It was useless.


I am so upset...
what do I do?.

Guys...
Give me some answers...please
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Old 11-11-2004, 12:15 AM   #2
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take battery to auto store to get checked....if it'* dead, buy a new one.
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Old 11-11-2004, 12:20 AM   #3
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Default battery?

AAA guy checked the battery and recharged it, but it didn't work.
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Old 11-11-2004, 11:45 AM   #4
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Default ECM is gone,... Need an advice

Hi,

I showed my car to a mechanic and he said that no signals are comming out from the ECM. It costs more than $300.

Can I replace the ECM myself?. is it hard?
What do you recommend ?. doing myself or paying 300?.

I should go back to the bodyshop within an hour...

Please advise me.

Thanks.
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Old 11-11-2004, 12:33 PM   #5
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the computer is cheap and i flash them 2 but the labor might be where most of it is coming from
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Old 11-11-2004, 12:39 PM   #6
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Default Anything to be careful?

Well,

I'd like to replace it myself. Any suggestion to be careful about it?.
It'* easy? or hard?.
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Old 11-11-2004, 02:57 PM   #7
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Default thank you....but.

Thank you guys.

I oped the dash board on the passenger side and found the silver box with three connector. Then, I got a new one from the Autozone and switched the PROM.

I hooked it to the car, but It won't start. Everything is the same.

Mechanic, Conrad, said I might get a wrong one from Autozone.

I am hopeless...

Nothing I can do now...what do I do?.
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Old 11-11-2004, 05:45 PM   #8
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Default correct?

Conrad guy called me and said the computer generates different codes. So, the ECM that I replaced was correct. Thanks.

I will let you know what problem is...

By the way, could it be possible to break the computer and other things by simply taking out the negative battery
I don't know...
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Old 11-11-2004, 07:51 PM   #9
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Default TP sensor...

Good news...

The mechanic said nothing was wrong with ECM. Stucked TP sensor was the problem.
They agreed wrong diagnosis and replaced the TP sensor for free, which I supposed to replace sooner or later.

The ECM that I replaced were returned to Autozone and I got the old one installed again.

Perfect!

With 70bucks, I replaced the Tp sensor and checked up the engine.
Thanks. guys.
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