Question about 2003 Chevrolet Astro

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Astro van with random starting issue

My van has started randomly not starting every week or so. It turns over but doesn't start. I've taken it to a mechanic who has replaced a number of parts but not yet fixed the problem. The van computer shows a security error each time.

So far I've had new spark plugs, replaced the security module in the steering column (took a while for the computer to reset after this was replaced), new mass air flow sensor, and computer.

Any suggestions for why this is happening?
Thanks

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  • Anonymous Jun 21, 2008

    van smoking and smelling a very strong gas oder

  • PhilW4 Aug 09, 2008

    Had a somewhat similar problem on a 2000 Astro. Actually died once while driving, otherwise would randomly decide not to start. It sat at a garage for 3 weeks until they could get it to fail long enough to diagnose.

    Was a defective coil.

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  • Master
  • 625 Answers

This van or tipe of vehicles have a very coming problem with the injector assembly fault, if you ever get it to star make sure to see if you see any black smog coming from the exaust or if you notice like spending too much gas then that will be the proble and this part is not too chep to replace

Posted on May 28, 2008

  • fernando arevalo May 28, 2008

    also make sure to have this module wheel reprogamed to avoid the message, that will keep it from runing

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