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Re: Missing 4.6 V-8
| Brad Behm | 30 Oct 2006 04:31 |
To all of you helpful gentlemen my problem has been solved!!
Last night I swapped injectors and then cleared the code, hoping a new trouble code would indicate a miss in # 2 where I put the injector from the troubled # 1 cylinder. As an afterthought I swapped plug wire #1 and # 7 even though I had already checked for a bad plug wire to #1 by substituted a plug wire off my son's Escort a couple weeks ago when the problem first began. Back when I did that, the car still missed with different plug wire, new plugs and new coil pack installed on the right bank. I'd pretty much ruled out an obvious ignition problem.
Well...To my delight this evening when I checked the new trouble code, cylinder # 7 was missing. HAD to be that wire!! I installed a new set of wires and presto! NO MISS!! Evidently my son's Escort needs wires too...just my luck to use a bad wire off his car to test whether I had a bad wire in mine!! Lesson learned: Take nothing for granted! THANK YOU ALL for the supportive posts!
Gratefully Brad
> Hi, > [quoted text clipped - 15 lines] > > Brad |
| Brad Behm | 28 Oct 2006 16:02 |
Hi,
My '95 Town Car with 4.6 SOHC V-8 is missing on the # 1 cylinder. The computer says so, and the spark plug indicates incomplete combustion as it is pretty black compared to all the others. Sometimes it the engine backfires into the intake plenum especially under acceleration. I have eliminated the coil pack (swapped sides), spark plug (replaced all) , and spark plug wire (replaced) as the problem. Should I be looking at fuel delivery i.e. plugged injector, or even valve train problems or is there something I have overlooked in the ignition sector? My gut tells me it's ignition related, especially because of the intermitent "cough" up the intake manifold...reminds me of crossfire. Is there an electrical/electronic component that would only effect the # 1 cylinder that I haven't already checked out, or should I move on to fuel or valve train?
Thank you in advance anjyone who can help me.
Brad
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