v-10 with a miss
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v-10 with a miss
Hello everyone, new here to the forum. I have a 00 model that has a dead miss. I have replaced all 10 coils, new NGK plugs. The odd part of the deal is once the misfire codes are cleared the truck runs PERFECT for about 10 miles then goes starts missing again. Could this be a crank/cam sensor or computer. Any HELP would be appreciated.
Posting Guru
Joined: Mar 2005
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From: Burnsville, MN
Ouch..... 10 coils must have been expensive.... It's usually recommended to buy one and "walk" it around until the problem goes away - which evidently wouldn't have helped here.
You say you're getting codes and that periodically you clear them. Do the codes indicate random cylinders to be misfiring, or just one?
You say you're getting codes and that periodically you clear them. Do the codes indicate random cylinders to be misfiring, or just one?
Post Fiend
Joined: Jan 2002
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From: USA
What are the codes being displayed?
Have you did a fuel pressure test while running ?
Have changed the fuel filter?
Clean the maf ,also
Not a big fan of NGK plugs or Bosch
Rich
Have you did a fuel pressure test while running ?
Have changed the fuel filter?
Clean the maf ,also
Not a big fan of NGK plugs or Bosch
Rich
Last edited by FortyFords; Feb 15, 2006 at 03:30 AM.
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Miss Codes
The codes are P0304, P0308 and P1780. The light never comes on to let you know that anything is wrong. We are checking fuel pressure and cleaning the MAF tommorrow. The local Ford dealer tells me for a $90 diagnostic fee they will tell me what the problem is. Oh, I replaced the cam postion sensor today with no effect. I am inclined to take it to Ford.
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
Get the misfire counters read and see what cylinder it is.
Could be a fuel injector partially clogged? When cold, the computer richens the mix, so the injector barely "injects". Then, as it leans it out, the injector almost complete stops?
When it starts missing after the 10 minute period, does it come on gradual, or like someone turned off a switch?
art k.
Could be a fuel injector partially clogged? When cold, the computer richens the mix, so the injector barely "injects". Then, as it leans it out, the injector almost complete stops?
When it starts missing after the 10 minute period, does it come on gradual, or like someone turned off a switch?
art k.
Lead Driver
Joined: Sep 2003
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From: Albuquerque
Originally Posted by ztwindragonz
The codes are P0304, P0308 and P1780. The light never comes on to let you know that anything is wrong. We are checking fuel pressure and cleaning the MAF tommorrow. The local Ford dealer tells me for a $90 diagnostic fee they will tell me what the problem is. Oh, I replaced the cam postion sensor today with no effect. I am inclined to take it to Ford.
Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter(s)
Running out of fuel
Poor compression
Defective computer
Code P1780:
P1780 Transmission Control Switch circuit is out of Self-Test Range
Most on FTE V10 forum only recommend the MC spark plugs for these very problems with "other" brands. If you do a search...you will see it over and over that a spark plug change might be in order.
Also, I would remove the #4 COP and replace with #1 COP. Also remove the #8 COP and replace with #6 COP. See if the error codes change to the new location cylinder. If yes, then the COPs are bad. If not, then maybe it is the spark plugs in #4 and #8. Of course checking the fuel pressure is also a good idea...as others have suggested.
Good luck...and please post back any results.
biz
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Ford Test Results
The local ford dealer has diagnosed the problem as a "Paranoid Schitzafrenic computer"-- Sorry about the spelling. Yep, the PCM is bad. They priced me a new one for $311. Is this a good price? He assures me that the PCM is the problem. The compression on the engine tested "great". The coil packs all tested fine. He seemed to think that NGK plugs would perform great in the truck. He did not recommend the Bosch however. Will keep you posted if this fixes the truck or not.
Lynn
Lynn
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Miss fixed
Well, I got the truck back today. $600+ dollars later. It runs perfect. When I picked it up I have never in my life received such poor treatment at a dealership. No one would take the time to speak to me about the repairs. The cashier took an attitude and rolled her eyes when I started asking questions. Oh well, I guess working the the business at an import store for 11 years has jaded me on how customers should be treated. I won't go back to my local dealer. My next visit will be one of the dealers in Knoxville.
Junior User
Joined: Jan 2004
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From: Northwest Indiana
Cool that the guys in "back" got her runnin' good again for ya. One thing you can do about the poor treatment from up front is to call the service manager and then let him know you're also giving the general manager an ear full about how you were treated. The dealership I turned wrenches at for 9 years really took these calls and the survey cards very seriously. We were a Benz, Audi, and Porsche shop with no competing stores for many miles but our owner and managers still tried to make the customers as happy as possible. Or, you can say **** on 'em, and never give them any more of your business!!
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From: Albuquerque
Originally Posted by ztwindragonz
Well, I got the truck back today. $600+ dollars later. It runs perfect. When I picked it up I have never in my life received such poor treatment at a dealership. No one would take the time to speak to me about the repairs. My next visit will be one of the dealers in Knoxville.
Why the $600+ dollars? I thought the PCM was only $300+? What else did they stick you with? Just curious...
biz
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