Misfiring at 40-50 mph +

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Yabahoobs - 22 Jan 2007 00:59 GMT

I think the PCM problems / Wiring harness issues are continuing. It
seems like I'm getting some mistimed firing at 40-50 mph or higher.
Specifically when I apply the gas pedal at these speeds...Maybe the
problem is occuring at lower speeds, but I can't feel it.

Spuddering, Misfiring etc...Is there any way this is NOT a PCM related
issue ? Hopefully just a calibration / programming issue ? I guess it
could be fuel, but I really doubt it. Any ideas ? She's going back
into the shop tommorow...

BTW : It's a Ram 1500 Sport. 1998. 5.9 L V8 w/ 77K mileage.

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SnoMan - 22 Jan 2007 02:45 GMT

>I think the PCM problems / Wiring harness issues are continuing. It
>seems like I'm getting some mistimed firing at 40-50 mph or higher.
[quoted text clipped - 7 lines]
>
>BTW : It's a Ram 1500 Sport. 1998. 5.9 L V8 w/ 77K mileage.

When is the last time you replaced plugs and wires?
-----------------
TheSnoMan.com

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Yabahoobs - 22 Jan 2007 03:05 GMT

No clue, since I've only owned the Lemon-y bastard of a truck for 7
weeks. I'll keep this type of stuff in mind though. Thanks.

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Carolina Watercraft Works - 22 Jan 2007 03:07 GMT

You know....I'd check my plugs first if I were you.

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Laszlo Almasi
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>I think the PCM problems / Wiring harness issues are continuing. It
> seems like I'm getting some mistimed firing at 40-50 mph or higher.
[quoted text clipped - 7 lines]
>
> BTW : It's a Ram 1500 Sport. 1998. 5.9 L V8 w/ 77K mileage.

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