1991 Mazda B2200 No Spark

1991 MAZDA TRUCK
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JONNIELAZY
  • MEMBER
  • 2 POSTS
1991 Mazda B2200, carburetor engine, auto trans, 123,000 miles. After the truck has sat for a while, most of the time it will start right up, and run an hour or more be for loosing ignition. The next time, like this morning, it only ran for 2 or 3 minutes idling and then just stopped running. No fire to the plugs. I check it with a timing light, no spark to any of the 4 plugs. I replaced the ignition coil just to be sure it was OK. Didn't change a thing. Do you think it could be the ignition module in the distributor? Can it be intermittent like that? Thanks jonnielazy
Jul 29, 2006 at 1:37 PM
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2CARPRO JACK
  • ✓Experienced Mechanic
  • 11,533 POSTS
sounds like a good guess
Sep 12, 2006 at 10:01 AM
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BUBBA_KOSKI
  • ✓Experienced Mechanic
  • 129 POSTS
change the rotor button cap wires plugs pick-up coil ignition module, but first take the cap off and jist crank the truck if the rotor buttom aint mocin then she aint hittin the points causing no spark, replace to fix problem, if she is moving then replace what i said, normally you can narrow it down to one thing but i just ain there to see it

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ASE Certified
Advance Auto
9289
Oct 4, 2006 at 10:05 PM
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Suggested Repair

Remove the distributor cap and crank the engine to confirm the rotor turns. If it does not, repair the distributor drive. If it does, replace the rotor, cap, plug wires, plugs, pickup coil, and ignition module, since the coil was already replaced and there is still no spark.

Conversation Summary

The owner of a 1991 Mazda B2200 reports intermittent loss of ignition after the truck sits or runs briefly, with no spark at any plug. Replacing the ignition coil did not help. Experts say an ignition module can fail intermittently and advise checking that the distributor rotor turns while cranking, then replacing the rotor, cap, wires, plugs, pickup coil, and ignition module.

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