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'00 Astro Starts - Runs for 5 secs

Posted: Mon Jan 18, 2016 6:49 pm
by rodbow
Astro unstarted for a yr. so I changed out gas and got a new batt. Still does the same thing it did a yr ago - starts well, sounds good but only runs for 5-10 secs before shutting off (no dieseling or other odd sounds).

Has spark and fuel pressure. I think its a vacuum leak but can't find culprit.

taking ANY suggestions!

Re: '00 Astro Starts - Runs for 5 secs

Posted: Mon Jan 18, 2016 8:33 pm
by AstroWill
Does your security light come on?

Re: '00 Astro Starts - Runs for 5 secs

Posted: Tue Jan 19, 2016 7:58 pm
by rodbow
AW, yes the security light comes on briefly.

Re: '00 Astro Starts - Runs for 5 secs

Posted: Fri Jan 22, 2016 6:14 pm
by Captn. Crunch
Look up gm pass lock re-learn