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1996 Chevy Astro Wont start after altenarot replacement

Tiny
JEFFMB
  • MEMBER
  • 1996 CHEVROLET ASTRO
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 183,000 MILES
My altenatopr went out while in the mountains. I ran the vehicle as far as I could draining the battery. It was barely running and had black smoke from the exhaust. I had it towed and replaced the altenator, now it will not start. What should I start looking for?
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Monday, July 27th, 2009 AT 5:17 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Fuel and spark

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine -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- Note: If it doesn't apply disregard it
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Monday, July 27th, 2009 AT 5:25 PM
Tiny
JEFFMB
  • MEMBER
  • 2 POSTS
Hi, the plug wires on an astro are difficult to reach so I disconnected the coil wire from the distributor, trued turning ove and no blue spark so I appear to have an ignition issue, not sure what to try next. Checked all fuses
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Tuesday, August 4th, 2009 AT 9:14 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check for power to the coil, test the coil, distributor pick-up coil, ignition control module and cam sensor on side of the distributor
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Tuesday, August 4th, 2009 AT 9:19 PM

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