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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

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Old Jan 10, 2014 | 07:54 AM
  #11  
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That and the fact his truck don't have plug wires...
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Old Jan 11, 2014 | 11:01 AM
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Originally Posted by techrep
That and the fact his truck don't have plug wires...
Huh? I seen the plug wires in there.

They didn't tell me I needed them, I specifically asked for it.

I've always done plugs and wires at same time. Granted I"m used to owning garbage cars also. This was my first newer vehicle, and truck I bought back in 09.

I've been working 13-14 hour days, but I was planning on taking it in today.
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Old Jan 11, 2014 | 01:28 PM
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you never mentioned the year/make/model of the truck all this is about.

But if its newer then it doesnt have plug wires!.

my 05 5.4l has spark plugs and then the COP's (Ignition coils) are individually bolted over each individual plug and then a wire harness connects to each COP (much like a fuel injection wire harness looks like).

So if you have a similar vehicle with the same set up and you purchased/payed labor costs to have "new plug wires" installed. Then I am sorry to say ,but you got screwed.

Does the check engine light flash by chance during the "stuttering"?. If so ,its a good indication of an ignition issue.

They could have easily have dropped a spark plug or coil and still used it, or could have over tightened a plug and broke it or could have not had a wrench on the plug squarely and broke it....could be a number of things.

If your not mechanically inclined to trial and error diagnose it yourself then I would take it back to them and insist they fix the issue.

If it were me, I would check all the connection well, visually inspect for any damage or error. I would then start the truck and while it is running disconnect each COP and reconnect it one at a time and listen for any changes in engine sound/rpm and watch engine for vibrations.

If you disconnect one and the engine stumbles.....that coil/plug is good. If you disconnect one and little to nothing happens than you have likely found a bad coil/plug.

hope that helps.
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Old Jan 11, 2014 | 01:40 PM
  #14  
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Originally Posted by Wiggles85
Huh? I seen the plug wires in there.

They didn't tell me I needed them, I specifically asked for it.

I've always done plugs and wires at same time. Granted I"m used to owning garbage cars also. This was my first newer vehicle, and truck I bought back in 09.

I've been working 13-14 hour days, but I was planning on taking it in today.
I'm assuming since you posted in the 04-08 section you have an 04-08 ...they use COP's Coil On Plugs not spark plug wires... COP's are very expensive so I doubt they replaced them for you...
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Old Jan 11, 2014 | 01:58 PM
  #15  
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Originally Posted by Dusterdude72
you never mentioned the year/make/model of the truck all this is about.

But if its newer then it doesnt have plug wires!.

my 05 5.4l has spark plugs and then the COP's (Ignition coils) are individually bolted over each individual plug and then a wire harness connects to each COP (much like a fuel injection wire harness looks like).

So if you have a similar vehicle with the same set up and you purchased/payed labor costs to have "new plug wires" installed. Then I am sorry to say ,but you got screwed.

Does the check engine light flash by chance during the "stuttering"?. If so ,its a good indication of an ignition issue.

They could have easily have dropped a spark plug or coil and still used it, or could have over tightened a plug and broke it or could have not had a wrench on the plug squarely and broke it....could be a number of things.

If your not mechanically inclined to trial and error diagnose it yourself then I would take it back to them and insist they fix the issue.

If it were me, I would check all the connection well, visually inspect for any damage or error. I would then start the truck and while it is running disconnect each COP and reconnect it one at a time and listen for any changes in engine sound/rpm and watch engine for vibrations.

If you disconnect one and the engine stumbles.....that coil/plug is good. If you disconnect one and little to nothing happens than you have likely found a bad coil/plug.

hope that helps.

07 4.2

I took it back and the mechanic told me he only felt it once. When I drove it home it happened more than once and even made the clunking sound again...

I like how they're making me out to look like a liar. Not too mention whatever it could be didn't happen as a result of them. I know it wasn't doing it before and of course I have no way of proving it.
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Old Feb 13, 2014 | 03:59 PM
  #16  
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Ended up being 3 cracked spark plugs
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Old Feb 13, 2014 | 04:19 PM
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Originally Posted by Wiggles85
Ended up being 3 cracked spark plugs
How does a mechanic crack 3/8 plugs? How did they finally diagnose the problem?
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Old Feb 13, 2014 | 04:55 PM
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delete....

Last edited by rubbinsracin; Feb 14, 2014 at 01:59 PM.
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Old Feb 14, 2014 | 09:41 AM
  #19  
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Originally Posted by austinls
How does a mechanic crack 3/8 plugs? How did they finally diagnose the problem?
3/6
The manager claimed somebody must have dropped the box at the warehouse. I mentioned the mechanic could've done it also. Not sure why he stuck up for the mechanic. He's obviously incompetent.

Here's the kicker. He told me they put in motorcraft plugs when I first had the tuneup. After I took it back to get fixed he said they put autolites in and they swapped them out for motorcraft. He said well, they're made by the same company
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Old Feb 14, 2014 | 02:45 PM
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I would be looking for a new mechanic if I were you....
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