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P0306 Misfire and valve cover gaskets and water leaking...

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  #1  
Old 10-08-2009, 08:56 PM
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Default P0306 Misfire and valve cover gaskets and water leaking...

Hello all

I could sure use some advice. I recently purchased a used 2000 S-Type V6 with 80000 miles. (Beautiful Car) First of all, this forum is excellent for information, thanks to all for contributing. I always use parking brake, avoid parking on inclines etc!!

The day after I purchased the car I took it in to local garage (not dealership) for oil and filter change. Everything worked great until a few days ago I got an incredibly rough idle and check engine light. I had anticipated spending a bit more on a tuneup but here is what happened.

Took it back to garage and read code P0306. The mechanic said there was a leak in both valve cover gaskets and this may contribute to shorting out a coil and causing engine misfire.

I have replaced all 6 spark plugs and all 6 ignition coils and replaced valve cover gaskets on both left and right bank.

As for how much it cost $$$ all I can say is ouch!

The car runs smooth again, but when it rains, it leaks water like crazy into the engine through the bottom of the windshield and where the windshield wiper is attached.

Any ideas what can be done to fix that so that I dont short out my new highly expensive $$$ coils?
 
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Old 10-09-2009, 07:30 AM
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The only thought that comes to my mind is possibly the "weep" holes under the black plastic cowl cover are plugged, which are there to allow any water to drain out. Maybe by leaves or some type of debris. Causing water to find a new path which leads to the engine compartment.
To check that out you will have to remove the wiper arms and all the push pull pins on the front of the cowl.
 
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Old 10-09-2009, 07:45 AM
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Originally Posted by joycesjag
The only thought that comes to my mind is possibly the "weep" holes under the black plastic cowl cover are plugged, which are there to allow any water to drain out. Maybe by leaves or some type of debris. Causing water to find a new path which leads to the engine compartment.
To check that out you will have to remove the wiper arms and all the push pull pins on the front of the cowl.
ditto
 
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Old 10-09-2009, 11:47 AM
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Thanks for the advice. I have had a look and there are a lot of the push-pull pins missing. Any idea where I can buy these? Are they jag specific or will any generic fasteners be ok?
 
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Old 10-09-2009, 11:54 AM
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I would go to the dealer for them. They will know exactly what they are and stuff like that is as cheap as the auto store. Heck, I had a few bad ones on my car and the dealer just replaced them and gave me extra in a bag for free, so I know they are cheap.
 
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Old 10-09-2009, 01:20 PM
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Originally Posted by josworth
so i know they are cheap.
famous last words!!!!!!
 
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Old 10-09-2009, 01:31 PM
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I canNOT confirm this but I have heard that they are the same push pull pins in the Lincoln LS and ARE available at any Ford dealer.


at Brutal
 
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Old 10-09-2009, 01:34 PM
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Originally Posted by BRUTAL
famous last words!!!!!!
Yea, I realized that after the fact... I may have jinxed him.....

I can hear it now...... "those d%mn clips were $25.00 each at (insert dealer name here) when I can get them for $.02 each at (insert discount parts store here)".... When will I ever learn......
 
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Old 10-11-2009, 09:25 PM
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Hi danielsatur,

I would love to see a photo of how you did that. Did you make the rain diverter underneath the windshield wipers or did you fix it in place under the hood?
 
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