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Sep 5, 2012 | 09:10 AM

expguy121

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igniter

97 expedition where is the igniter? not the coil packs just the igniter.

Thanks Chris

Sep 5, 2012 | 10:33 AM

alloro

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There is no igniter. The ECM directly controls each of the coils. The ECM receives it's spark timing pulse from the crankshaft position sensor located behind the harmonic balancer at the front of the engine.

Sep 5, 2012 | 04:14 PM

projectSHO89

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From: St Louis

My propane grill has an igniter. Never seen a gasoline engine with one, though....

Sep 5, 2012 | 05:44 PM

alloro

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Quote:

Originally Posted by projectSHO89

My propane grill has an igniter. Never seen a gasoline engine with one, though....

It's basically an electronic signal amplifier to trigger an ignition coil. It seems to be a more popular design with imports than with domestics.

Sep 6, 2012 | 03:21 PM

expguy121

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oh so it sends the signal straight to the cop from the ecu. wow no wonder there are so many problems with this design. lol it all in one. toyota has an igniter in their ignition system. Honestly I prefer the old plug wire design!

Sep 6, 2012 | 05:33 PM

alloro

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Quote:

Originally Posted by expguy121

no wonder there are so many problems with this design.

Problems? What problems do you speak of?

Sep 6, 2012 | 05:49 PM

expguy121

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Just problems with the cops going bad..

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Sep 6, 2012 | 07:38 PM

Moto Mel

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From: Chesapeake, Va.

The COPs help to clean up the outward appearance of the engine, which is then covered up or cluttered up with more smog related stuff, and also provide more individual parts for the owners to replace, making more parts to sell and making more profit for the manufacturers.