DTC P0351 - Ignition Coil "A". At the end of my rope. - Page 2 - Ford Focus Forum, Ford Focus ST Forum
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Old 07-15-2008, 07:11 PM   #11
EtownMike
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Car Runs fine for 125 miles so far. I insulated the hot pipe on the side of the head that the wires shorted on.
IF YOUR CAR DIES AND YOU SMELL SULFUR. CHECK SPARK ON ALL CYL.
IF NO SPARK TO SOME CYL. REPLACE COIL PACK AND CHECK WIRE HARNESS ON DRIVES SIDE FOR MELTED WIRE CASINGS ON HOT METAL PIPE ON DRIVERS SIDE OF HEAD. FACTORY INSULATION GOES BAD.
I hope this helps somebody. I was going crazy burning up coils. Still cheaper that a cheap mechanic.
Good Luck Y'all
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Old 07-28-2008, 04:32 PM   #12
DanielW
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subscribed
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Old 10-10-2011, 04:41 PM   #13
Smithr3375
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Thank you..... You saved us lots of time and money. We had the same EGR issue with the wires.
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Old 10-10-2011, 11:42 PM   #14
Arty
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We have the same issue. Still have not found the fault though.
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Old 10-27-2011, 12:29 PM   #15
Arty
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Final report. Wires melted and grounded short to cause coil pack overheating and burn out. Working with the harness broke more wires and found corroded connections.

Final solution: went to local salvage yard, called Pull-A-Part. Cut part of the harness from a 2001 Focus with coil and MAS connectors attached and was used to connect wiring and by pass burned sections. Problem solved. Up and running great. This was beyond me so a local garage put it all together with my offer of a section of the harness.

Check for burned wiring. Pull a section of harness from junk Focus at a salvage yard and splice it in. This worked for me. Problem solved
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Old 11-18-2011, 11:44 AM   #16
Arty
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I have spare connector and wire pigtail after my successful repairs. Anyone need coil or MAS connector harness?
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Old 04-18-2012, 05:27 AM   #17
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I have a 06 with just over 75k i have had this issue many times and can usually get away with just replacing the coil... I got tired of spending 100 bucks on something that lasted a week maybe at the most. I figured it was because it was flash tuned but found that people with the stock cars (i mean stock, not even a air filter) have this issue. THANK YOU TO All of you that shared the wiring prob on the side of the head. I am going to look into this and hopefully it will help me out.. FF to the rescue!!
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Old 08-20-2012, 07:33 PM   #18
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Quote:
Originally Posted by superbeast04 View Post
Here's an update to all who are interested.
In 2 hours, this car is going into the Ford dealer. (shudder)
I've never owned a car that I've taken to a mechanic, nevermind a bloody DEALER. But I've got no more time to spend with this problem.

Once I hear back from the dealer, I will post ALL the results here, as someone with a similar problem may stumble upon this thread in the future. Thanks to all who gave suggestions, I'll let you know.
What was the final outcome with the ford dealer?
I've got the same problem and the new coil didn't fix it nor the repair of the connector plug. Your solution would be greatly appreciated.
Thanks, Bill
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