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Go Back   Ford Powerstroke Diesel Forum > Ford Powerstroke 99-03 7.3L Forums > 99-03 7.3L Powerstroke Problems
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  #1 (permalink)  
Old 08-17-2008, 10:17 AM
ArthurBNH ArthurBNH is offline
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Join Date: May 2008
Posts: 4
Intermittent "Service Engine Soon" Light

I have a stock 2000 F-350 with a 7.3 and 133,000 or so miles. I have owned it for 4 months and love the truck.

2 Days ago my "Service Engine Soon" light came on for a few minutes (maybe 5) and went out.

Yesterday when I started it in the morning it came on and stayed on and it began running rough and under-powerd.

On some advice I changed the fuel filter (it had only 3000 miles on it) and afterwards the light went out and it ran fine for a drive of about 50 miles.

When I started this morning it came on again. The light also went on an off a few times including a 15 minute stretch where it stayed off and it ran fine.

Right now it has stayed on for about 10 miles and is running poorly.

Any suggestions?

Thanks

Arthur
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Old 08-17-2008, 10:34 AM
Dave Dave is offline
Broken shoulder mod
 

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Location: Trempealeau, WI
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Get it on a scanner and see what the codes are that will help with diagnosis
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Old 08-18-2008, 10:55 AM
ArthurBNH ArthurBNH is offline
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No Error Codes - Light Still on

There are no error codes showing up on a MAC scanner.

I cleaned the EBPV sensor and removed and cleaned the tube (it was clogged).

It is now running very rough and appears not to be firing on all cylanders.

I am just about to take it to the dealer.

Any suggestions?

Thanks

Arthur
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Old 08-18-2008, 10:57 AM
Dave Dave is offline
Broken shoulder mod
 

Join Date: Nov 2006
Location: Trempealeau, WI
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Quote:
Originally Posted by ArthurBNH View Post
There are no error codes showing up on a MAC scanner.

I cleaned the EBPV sensor and removed and cleaned the tube (it was clogged).

It is now running very rough and appears not to be firing on all cylanders.

I am just about to take it to the dealer.

Any suggestions?

Thanks

Arthur
If the SES light is on there are codes stored. Do you have the diesel software with the MAC scanner. If not there are codes it wont pick up
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Old 08-19-2008, 08:03 AM
ArthurBNH ArthurBNH is offline
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Join Date: May 2008
Posts: 4
News from the dealer

The dealer got back to me this mrning and told me it was the injector harness on one side. They want $1380

Ouch!

I am sure I can by the parts cheaper than they are charging me and get a god mechanic to do it.

Any thoughts?

How much should a harness cost and where should I get one?

Thanks
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Old 08-19-2008, 08:05 AM
Dave Dave is offline
Broken shoulder mod
 

Join Date: Nov 2006
Location: Trempealeau, WI
Posts: 9,221
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If hes talking about the UVC harness, DIY it thats cheap and fairly easy. If you need help theres plenty of people here that have done it
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  #7 (permalink)  
Old 08-19-2008, 08:14 AM
ArthurBNH ArthurBNH is offline
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Join Date: May 2008
Posts: 4
Harness Replacement

All he told me it was the injector harness.

I am going to call IH local.

I have heard that I should to the glow plug harness at the same time as it is apart.

Is that true?
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