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#1
12-30-2003, 11:07 AM
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Starts then dies??
My 99 has displayed a problem twice in the past 2 months. It will start but immediately die. The fuel pump is whirring away and it appears to be getting fuel, spark, etc. First time it happened after more than a dozen attempts to start it, I moved on to another vehicle and left it sit in the driveway. Came back later and it started up and ran with no problem. At that point I took it to the dealer and had them change the fuel filters and clean the intake system and injectors.
Yesterday it happened again and I tried cleaning the MAF sensor myself and that did nothing. I have now changed the MAF sensor out and the problem still exists. Starts, runs 1 to 2 seconds and dies. Anyone out there with experience like this? Last edited by Al Heff; 12-30-2003 at 01:10 PM. 
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#2
12-31-2003, 11:51 AM
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Re: Starts then dies??
Try looking at the battery, or alternator. Low voltage can really screw with the computer. A simple test would be to hook up a battery charger and then run it.
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Thanks John Peterman St. Louis, MO
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#3
12-31-2003, 07:59 PM
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Re: Re: Starts then dies??
Quote:
thanks for the the tip and reply. I did a check on the voltage already. It was fine which was no surprise since it has an Optima battery and a new alternator. Btw, it does start but then dies. I am now beginning to believe it may be the fuel pump going bad or fuel pressure regulator.
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#4
01-01-2004, 09:04 AM
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Re: Re: Re: Starts then dies??
Has the Theft Deterant light come on when this happens?
A start and stall condition can be caused by the theft system sensing an event and disabling fuel enable.. Also it would be a good idea to check the fuel pressure to see if you are suffering from low pressure or a loss of fuel pressure on start-up.
__________________
Why do you never have enough time or money to do the job right the first time, but enough time and money to do it again? Got all the certifications 25 years ASE Certified Master Technician GM WCT Yea..I work at a DEALERSHIP....got a problem with that? Want to diagnose cars like the Pros? FOR SALE: OTC Perception 2 channel Labscope (badged as a Matco Reality) This is my personal labscope that I use to diagnose waveforms, like new, comes with leads and training video PM Me for details
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#5
01-02-2004, 12:38 PM
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Re: Re: Re: Re: Starts then dies??
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Bingo Merlin - you hit the nail on the head. I gave up and towed the vehicle to the local dealer and they called me this morning and told me it was the theft deterrent module! Thanks for the reply.
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