Intermittent "Service Engine Soon" Light - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 08-17-2008, 09:17 AM Thread Starter
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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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post #2 of 7 Old 08-17-2008, 09:34 AM
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Get it on a scanner and see what the codes are that will help with diagnosis

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

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post #3 of 7 Old 08-18-2008, 09:55 AM Thread Starter
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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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post #4 of 7 Old 08-18-2008, 09:57 AM
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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

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #5 of 7 Old 08-19-2008, 07:03 AM Thread Starter
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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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post #6 of 7 Old 08-19-2008, 07:05 AM
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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

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #7 of 7 Old 08-19-2008, 07:14 AM Thread Starter
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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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