1999 Chevy Astro firing wont

1999 CHEVROLET ASTRO
122,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SNUE12
  • MEMBER
  • 5 POSTS
started missing about 6 months ago. changed out wires rotor and cap didnt get better. went and changed out the plugs. was better for a little while the the same. then driving home it died. started up again went a mile then died. replaced the fuel filter still wont start. replaced the coil and the module. still no fire.
Jun 29, 2010 at 10:23 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Quick throwing parts at it do below

Lets do below for a start to determine if its fuel or spark related issue and get back with some results

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it
Jun 30, 2010 at 4:06 AM
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