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Old 09-03-2010, 06:43 PM
blnmsc05 blnmsc05 is offline
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Default Engine Problems 99 v6 3.0 liter

Hey Ive got a problem would appreciate some help,

Engine started shaking and CEL came on..got the codes ran and my number 6 cylinder is misfiring...

I replaced every spark plug, the wires and the ignition coil...anyone have any ideas as to what else it could be??
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Old 09-04-2010, 06:24 AM
Steedaflow99 Steedaflow99 is offline
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Default Re: Engine Problems 99 v6 3.0 liter

I would check the spark plug gap on that cyl, and then if its still MF I would replace the coil pack
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Old 09-08-2010, 01:50 PM
Jazz921 Jazz921 is offline
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Default Re: Engine Problems 99 v6 3.0 liter

I had the exact same issue on my 2000 3.0. Tried new plugs, wires and coil pack and it turned out to be a broken valve spring.
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Old 09-08-2010, 02:12 PM
FireRanger FireRanger is offline
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Default Re: Engine Problems 99 v6 3.0 liter

Quote:
Originally Posted by blnmsc05 View Post
I replaced every spark plug, the wires and the ignition coil...anyone have any ideas as to what else it could be??
Quote:
Originally Posted by Steedaflow99 View Post
I would check the spark plug gap on that cyl, and then if its still MF I would replace the coil pack
Hmmmmmm.


Anyway, that leaves the injector which could be plugged up. Valvetrain and stuff like that is way over my heard, but start with simple and sane first. Plugs, wires, coil, injector, then big stuff.
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