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Old 06-08-2012, 04:34 PM
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Join Date: Jun 2012
Posts: 3
Default 2005 Cadillac STS v6 Injector #4 misfire now an open?

Hello,

I had an Injector #4 misfire condition on my 2005 Cadillac STS v6.

I replaced the injector with a new one and now it is showing a P0204 Injector Circut Open?

Some have mentioned the connector may be bad and I do not see any obvoius wire breaks?

I also measured the ohms on two new injectors and they read about 13 ohms, do not know that this proves anything.

Any ideas as to the issue?

Thank you!
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Old 06-27-2012, 11:06 PM
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Join Date: Jun 2012
Posts: 3
Default 2005 Cadillac STS v6 Injector #4 misfire now an open? - Fixed!

The car is fixed and I thought I would share the result with the forum.

After taking the intake off for the 2nd time and:

1. Replacing with another new injector
2. Checking the wiring
3. Did a mini-tune up by replacing all spark plugs with iridum plugs (may as well, had the intake off anyway)

The car still had an open. I suspected the ECM module, so I took it to my Cadillac dealer.

It was a good move, as it was the ECM Module and the ECM was covered under the warranty if the car has under 88k miles.

The fixed it under warranty and it is running great.
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Old 06-27-2012, 11:06 PM
 
 
 
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06, 2005, cadilac, cadillac, change, injector, injectors, misfire, misfiring, open, recall, sts, v2005, v6, wire


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