Wrong heat range plug, weak spark, too rich mixture
mmmm.............AC Delco spark plugs..........mmmm
What brand gasoline and octane rating are you using?
any additives been dumped in lately?
Ron- '01 Dakota Sport 3.9 Supercharged
website: www.scsilverdak.com
e-mail: scsilverdak@hotmail.com
----- Original Message -----
From: "Michael Clark" <dml@mikesdakota.com>
To: <dakota-truck@dakota-truck.net>
Sent: Friday, September 20, 2002 5:23 PM
Subject: DML: Read this spark plug?
>
> Ok, Thursday morning on the way to work I got a check
> engine light and it started cutting out like a
> cylinder was missing. Felt like a plug wire fell off
> to me. Got parked and I killed it then started back
> up and all was fine. Didn't think too much about it,
> on the way home same thing only it got a little worse.
> Pulled the codes and got a 27 which is listed as
> "injector output driver not responding to control
> signal" or something like that. So I started
> checking the ignition, wires, cap'n rotor, then I
> started pulling plugs. They all looked ok until I
> came to #7. It looked like this:
> http://www.mikesdakota.com/sparkplug
>
> Can some of you guys take a look at it and give me
> your thoughts? I threw an extra plug in it last
> night and it ran fine today, but what the heck is
> causing that? It looks to me like its getting too
> hot or something. BTW the plug only has 9000 miles on it.
>
>
> --Mike
> www.mikesdakota.com
>
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