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Re: Misfires and P1312. Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Wed, 16 Dec 2015 07:39:50 In Reply to: Misfires and P1312., dmz789qqq, Wed, 16 Dec 2015 06:37:47 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Coils are usually less likely on the newer models where the top of coil is black compared to the 03-05 that had a beige top.
Do you know that it is the proper NGK plugs in there? Otherwise replace them first.
If the misfire only happens at cold start your engine might have the intake valve issues and that would be a major undertaking.
You can always study misfire count using the Tech 2 and determine if it is one cylinder over the others that creates the misfire.
Anders
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