I think my 7.3 gave up the ghost - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 06-01-2013, 09:44 AM Thread Starter
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Angry I think my 7.3 gave up the ghost (Lost oil pressure)

I have a late 99 7.3 with 288,000 miles. Was driving yesterday and out of no where the truck stalled out, so i jerked the wheel away from the main road. Let it cool down, checked oil which was fine, tried to start just cranks over wont fire up. After getting a ride I came back a few hours later tried to start but no luck just cranks so I had it towed. And when the truck stalled the engine oil pressure lamp and engine coolant temp icons illuminated on the dash. What could be the deal here? And i know before i bought the truck the cps was recently replaced. Im just praying the lpop didnt take a sh*t.





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post #2 of 14 Old 06-01-2013, 01:29 PM Thread Starter
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...Anybody?

2005 F-350 Reg cab Fx4 - Deleted, updated, bullet proofed. TSD tuned. 18x10 moto metal 962's, 35x12.50 federal mt's, 2'' level, mbrp exhaust, ect, ect. Western Ultra Mount 8' Plow. Money maker/work horse.
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post #3 of 14 Old 06-01-2013, 02:27 PM
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Have you tried throwing a new CPS in yet?

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post #4 of 14 Old 06-01-2013, 02:37 PM Thread Starter
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That would be strange because it was replaced about 3,000 miles ago.

2005 F-350 Reg cab Fx4 - Deleted, updated, bullet proofed. TSD tuned. 18x10 moto metal 962's, 35x12.50 federal mt's, 2'' level, mbrp exhaust, ect, ect. Western Ultra Mount 8' Plow. Money maker/work horse.
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post #5 of 14 Old 06-01-2013, 02:44 PM
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Try a CPS.
Those lights just light up cause it died.
When you turn your key on, does the WTS light come on?



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post #6 of 14 Old 06-01-2013, 03:11 PM
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i replaced a cps with less than a 1000 miles on it

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EGR delete--4" turbo back exhaust
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post #7 of 14 Old 06-01-2013, 03:40 PM Thread Starter
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Quote:
Originally Posted by jesilvas View Post
Try a CPS.
Those lights just light up cause it died.
When you turn your key on, does the WTS light come on?
Yes it does. I will also note that before this happened, crank to start times were always longer than normal, doesnt matter if the truck was warmed up or not.

2005 F-350 Reg cab Fx4 - Deleted, updated, bullet proofed. TSD tuned. 18x10 moto metal 962's, 35x12.50 federal mt's, 2'' level, mbrp exhaust, ect, ect. Western Ultra Mount 8' Plow. Money maker/work horse.
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post #8 of 14 Old 06-01-2013, 05:17 PM
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It's worth a CPS, but then after that, you need to monitor live data to see what's not coming up to spec.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
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post #9 of 14 Old 06-01-2013, 05:34 PM Thread Starter
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Yeah im having the truck diagnosed and fixed this week at a diesel repair/performance shop. If it is the cps then im sure there are other things wrong. It just doesnt run like a 7.3 should. Its like an old dog, the engine is getting tired. The power and throttle response is not all there like other 7.3's ive driven that were stock as well. It doesnt misfire, skip, hesitate or anything, but its just getting weak. But hey I snagged this truck for 2700 with 287k. and not even 30 miles later, this happens. Now it dont even run

2005 F-350 Reg cab Fx4 - Deleted, updated, bullet proofed. TSD tuned. 18x10 moto metal 962's, 35x12.50 federal mt's, 2'' level, mbrp exhaust, ect, ect. Western Ultra Mount 8' Plow. Money maker/work horse.
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post #10 of 14 Old 06-02-2013, 06:55 AM
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I wouldn't say it's dead. It didn't make any loud noises, bangs, etc, there isn't a rod hanging out of the block. Might be time to have the injectors looked at since you said it feels tired. They are probably original.

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