"service engine soon"
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Freshman User
Joined: Jul 2011
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"service engine soon"
My service engine soon light came on and my 2001 7.3 began to misfire and stall ocassionally at idle.
I replace the fuel/ water filter and cleaned the air filter. Drove it for two hours and it started mssing again and light came on.
Injector pump? Injectors?
I replace the fuel/ water filter and cleaned the air filter. Drove it for two hours and it started mssing again and light came on.
Injector pump? Injectors?
Logistics Pro
Joined: May 2011
Posts: 4,832
Likes: 668
From: Maine
Fuses all good? Oil level good? WTS light going on/off like normal?
Do you have access to a good scanner that can pull the PSD codes?
When it's running bad, does it seem like all cylinders are misfiring, one side, just a couple, etc?
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Freshman User
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All oil levels, etc are good. It seems to be prevelent at high sppeds (no particularly heavy load) and at idle. It also seems to be random, slight at times and more noticable at others.
I am not familiar with some of the codes mentioned ( left my Chilton manual at home and am on a short vacation).
Can I take it to an auto parts store and have them read the code? or is there a good reading device to purchase?
I am in northern california.
Thanks for all of the replies. I just found this site and hoped for some feed back.
Thanks,
Roger
I am not familiar with some of the codes mentioned ( left my Chilton manual at home and am on a short vacation).
Can I take it to an auto parts store and have them read the code? or is there a good reading device to purchase?
I am in northern california.
Thanks for all of the replies. I just found this site and hoped for some feed back.
Thanks,
Roger
Postmaster
Joined: Jan 2009
Posts: 2,667
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From: Glen Rose,Texas
Most auto parts store code readers will not pick up the codes on diesels.
We have several brothers in Cali,maybe they will see this.
As mentioned above,if you change the CPS,make sure it is from Ford.The auto parts store CPS give you funny readings/actions.
We have several brothers in Cali,maybe they will see this.
As mentioned above,if you change the CPS,make sure it is from Ford.The auto parts store CPS give you funny readings/actions.
Logistics Pro
Joined: May 2011
Posts: 4,832
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From: Maine
CPS:Camshaft Position Sensor
Welcome to guzzle's CPS R&R Web Page<
ICP is this sensor picture below, just unplug it, see if it's oily, and then start and see if it runs better.
WTS: Wait to Start (OR) Glow Plug Light.
Welcome to guzzle's CPS R&R Web Page<
ICP is this sensor picture below, just unplug it, see if it's oily, and then start and see if it runs better.
WTS: Wait to Start (OR) Glow Plug Light.
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still have problems
Hi,
I unplugged the cps valve and looked it over. No apparent oil or grease. The truck ran fine for two days on short trips. Driving about 1 1/2 hours it began to miss-fire again. After 2 hours the "check engine soon" light came on again.
It seems to be most noticable at high speeds after driving an hour or more, although it has done it at idle and has stalled.
Any advice would be appreciated.
Thanks,
Roger
I unplugged the cps valve and looked it over. No apparent oil or grease. The truck ran fine for two days on short trips. Driving about 1 1/2 hours it began to miss-fire again. After 2 hours the "check engine soon" light came on again.
It seems to be most noticable at high speeds after driving an hour or more, although it has done it at idle and has stalled.
Any advice would be appreciated.
Thanks,
Roger
Logistics Pro
Joined: May 2011
Posts: 4,832
Likes: 668
From: Maine
Hi,
I unplugged the cps valve and looked it over. No apparent oil or grease. The truck ran fine for two days on short trips. Driving about 1 1/2 hours it began to miss-fire again. After 2 hours the "check engine soon" light came on again.
It seems to be most noticable at high speeds after driving an hour or more, although it has done it at idle and has stalled.
Any advice would be appreciated.
Thanks,
Roger
I unplugged the cps valve and looked it over. No apparent oil or grease. The truck ran fine for two days on short trips. Driving about 1 1/2 hours it began to miss-fire again. After 2 hours the "check engine soon" light came on again.
It seems to be most noticable at high speeds after driving an hour or more, although it has done it at idle and has stalled.
Any advice would be appreciated.
Thanks,
Roger
Laughing Gas
Joined: Oct 2009
Posts: 831
Likes: 2
From: Vacaville, CA
There are quite a few FTE brothers in nor cal... maybe someone is close by and can give you a hand with some things. If you are close, I have a spare cps you could swap out to see if it clears up...
