Ignition control module problem.

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Dec 9, 2009 | 07:22 AM

#11

Toddster

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Joined: Aug 2005

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Sorry for your frustrations....

Have you checked all the ground areas I suggested just to rule them out?

Dec 9, 2009 | 08:42 AM

#12

Danthurs

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Expert Gearhead

Joined: May 2006

Posts: 29,661

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From: Sheboygan Wisconsin

There is always the chance the ICM is bad again. We've seen DOAs right out of the box.

Dec 9, 2009 | 09:20 AM

#13

Toddster

Junior Member

Joined: Aug 2005

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good point though he bought it from Napa. Napa is known for high quality parts.....

If he bought it from Autozone then.....yeah

Dec 11, 2009 | 05:10 PM

#14

nightriderr

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Posts like a Ricer Type-R

Joined: Feb 2009

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OK now I have found a new symtom that has directed me away from the ICM. With a scanner hooked up, there is no rpm signal. which leads me to believe the crank sensor is bad but still giving waveform, or I have a bad wire from ck sensor to pcm? Anyway, need to do some more digging. ALL grounds seem to be in good shape. Correct me if I am wrong , when there is no rpm signal from ck sensor the pcm will not allow the icm to work or the injectors to pulse. Right ???

Narrowing Frustration.