Cps?
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Junior User
Joined: Jun 2005
Posts: 99
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From: Vancouver, WA
Cps?
I recently have developed a small 'miss' at idle on my Ex. I replaced the fuel filter about 7000 miles ago, so hoping it isn't that. I run DK through every tank (love the stuff). Could I be having some CPS problems? I thought I read somewhere in here that when you start up and crank the motor over that you should see the tach move... mine doesn't budge until the engine fires.. CPS???
Posting Guru
Joined: Dec 2004
Posts: 1,102
Likes: 3
From: Virginia - SW (Riner)
Cps?
The tach moving while cranking thing is for "older" trucks w/ PSD's - I think it was 00 or 01 & up the tach won't move. (Maybe 99 & > can't remember the exact dates now)
I'd swap the CPS - one of our trucks was doing this same thing and a new CPS cured it.
DG
I'd swap the CPS - one of our trucks was doing this same thing and a new CPS cured it.
DG
Postmaster
Joined: Jun 2005
Posts: 3,438
Likes: 0
From: New Hampshire
Originally Posted by Joe98684
I recently have developed a small 'miss' at idle on my Ex. I replaced the fuel filter about 7000 miles ago, so hoping it isn't that. I run DK through every tank (love the stuff). Could I be having some CPS problems? I thought I read somewhere in here that when you start up and crank the motor over that you should see the tach move... mine doesn't budge until the engine fires.. CPS???
Nut
