will a bad CPS throw a code
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Senior User
Joined: Dec 2003
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From: CT
will a bad CPS throw a code
llooking fo help will a bad CPS throw a code truck just dies on the road kind of sputtered and died whe motor will crank and the tach does not even move I put my auto engineuity on it no codes I cant figure it out. I thiought it was gelled up but i cant find that either truck has been plugged in all night and still nothing. just cranks does the CPS fit the senerio. please help
Senior User
Joined: Mar 2001
Posts: 497
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From: KC MO
Sometimes yes, sometimes no. I've experienced both. If you have a spare it's easy enough to swap out.
If you suspect a fuel problem open the drain on the bowl and see what you get.
Also could be oil / hpop related.
If you suspect a fuel problem open the drain on the bowl and see what you get.
Also could be oil / hpop related.
Cargo Master
Joined: May 2010
Posts: 3,047
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From: Snohomish, WA
If AE shows RPM your CPS may very well be good since that is where the PCM gets it's signal from. Like mentioned before, throw a spare one in and see if it helps.
Sounds to me more like an oil problem or possibly IPR related. This could be a short or something else.
Sounds to me more like an oil problem or possibly IPR related. This could be a short or something else.
4000 rounds a min
Joined: Apr 2010
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From: Albemarle NC
This sounds like fuel bowl heater, don't remember what fuse it is on a 99 but on a 2000 it is fuse #30.
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Senior User
Joined: Dec 2003
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From: CT
UPDATE not the fuel bowl I got that one in northern maine last year at 40 below LOL that was a cold walk back it appears that it was the CPS i changed and it took a while be got her to start drove the 30 miles to work no problem. we will see when I go out there to start her up. I was wondering if anyone knows what the hpop discharge pressure should be at idle thanks for all the help
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