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no spark?

Posted: Sat Jun 14, 2008 1:49 am
by crockett169
Hi

My 1988 3.6 turns over but doesn't produce a spark. I have changed the distributor coil, the rotor arm and the distributor cap. It still turns but no ingnition.

Can anyone advise a way to troubleshoot or a common solution to this.

Forgive my ignorance.

Thanks

James

no spark?

Posted: Sat Jun 14, 2008 7:25 am
by Brakebuster
probably the engine ECU,its not telling the coil to spark

hope this helps

BB

no spark?

Posted: Sat Jun 14, 2008 9:38 am
by davidr
Sounds to me like the crankshaft sensor that tells the engine ECU where the engine is in its rotation. If this has failed then the ECU gets "lost" and won't trigger a spark. It's a fairly common failure.

no spark?

Posted: Thu Jul 24, 2008 12:28 pm
by crockett169
Thanks for the help.

It actually turned out to be a loose multi block connector near the distributor - really hard to work out as it was only intrmitantly faulty and needed a second person to press it together whilst I turned it over. Sorted it with a tight snap tie.

James
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1988 3.6 Coupe