93 S-10 2.2L Running on 3 cylinders, compression, plugs, timing seems good???

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JHolcomb - 27 Aug 2004 06:56 GMT

I am posting this message for a friend.
His 93 S-10 2.2L is running on 3 cylinders, compression,
plugs, timing, etc. seem good??? He said he's checked all
the obvious causes but can't find anything wrong, he
is stumped. His check engine code came up with a "28"
(or) Transmission range pressure switch, will this code
cause a dead cylinder?? Does Anyone have any advice
for him??? Be nice please!!!
JHolcomb

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Norman Pirollo - 28 Aug 2004 15:12 GMT

I had this recently.
It was a cracked coil pack causing the 4th cylinder to not fire
intermittently.
More off than on...
I had to baby it to the dealer and get the 2 coil packs replaced,
along with wiring and plugs.
This is a 1995 GMC Sonoma

>I am posting this message for a friend.
>His 93 S-10 2.2L is running on 3 cylinders, compression,
[quoted text clipped - 5 lines]
>for him??? Be nice please!!!
> JHolcomb

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JHolcomb - 29 Aug 2004 09:11 GMT

> I had this recently.
> It was a cracked coil pack causing the 4th cylinder to not fire
[quoted text clipped - 13 lines]
> >for him??? Be nice please!!!
> > JHolcomb

Thank you for taking the time to share that,
I'll pass on the info . . JHolcomb

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