7.3 No start: SNAFU - Ford Powerstroke Diesel Forum
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  #1  
Old 08-24-2009, 12:12 PM
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7.3 No start: SNAFU

Here's the rundown:

- Blew about 3 gallons of oil all over the truck when an HPOP line was pinholed by an aftermarket fuel pressure gage line. Before incident, truck ran like a champ.

- After towed home, found the bad line. Took 2 hours and several parts removed, or loosened, to get at it. These include:
* intake
* outlet tube
* electrical connector above tube for clearance
* red vacuum line comming from intake
* both pressure and return fuel lines going into the fuel bowl

- Line came out with a moderate fight. IH dealer only place to buy replacement, which is about an inch shorter.

- Bought 1/4" ID pipe thread fittings for adapters; line now fits. During reconnection grounded ratchet to back of alternator (hot lead). Only visible damage is to insulation at connector disconnected batteries and put on charge.

- Topped off oil to proper level.

- Buttoned top end up. Will not start.

- "Nut and bolted" everything again. While double checking fuel lines, FPR line fitting broke off in housing.

- Pressure on fuel gage, after cranking, reads 20-30 psi.


I really, really need help with this one. obviously it was something I did; the truck had zero engine issues prior to this. What did I miss? I don't have a scan tool to check codes.
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  #2  
Old 08-24-2009, 12:17 PM
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did you refill the hpop with oil?
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Old 08-24-2009, 12:17 PM
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FP should be closer to 60 psi. Did you cycle the key a few times before trying to start?

You also need to check all your fuses since you shorted out the alternator.
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Old 08-24-2009, 12:27 PM
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Quote:
Originally Posted by symbols View Post
FP should be closer to 60 psi. Did you cycle the key a few times before trying to start?.
No; didn't know I had to, but I'll check when I can. Is it easy to do? I have both bolts holding the plastic cover mount out; can I pour it in there? I did cycle at least a half dozen times, even litting the truck sit with the key on for about 5 minutes at one point. Since I couldn't start the engine it wouldn't have read full pressure; I'm just happy it's reading anything at all Mine's shimmed to 70.

Quote:
You also need to check all your fuses since you shorted out the alternator.
Would a blown fuse cause a no start? I know a blown diode would do it but I didn't think this to be the case considering I've started and run this truck with a dead alternator in the past.

Considering the fuel lines are now gonna cost me about $130 I'll have to wait on the other gripe for now.

Last edited by nc1500; 08-24-2009 at 12:33 PM.
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Old 08-24-2009, 12:33 PM
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Since you opened the fuel lines you'll need to cycle the key a couple times to get the fuel pressure up to spec.

I don't think the alt would keep it from starting. It's most likely a blown fuse.
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Old 08-24-2009, 12:45 PM
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Quote:
Originally Posted by symbols View Post
Since you opened the fuel lines you'll need to cycle the key a couple times to get the fuel pressure up to spec.

I don't think the alt would keep it from starting. It's most likely a blown fuse.
Thanks; I'll have to check that. BTW: that's probably the best avitar I've seen in years. Now, lets hope life doesn't imitate art.
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Old 08-24-2009, 12:47 PM
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Old 08-24-2009, 12:58 PM
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I don't know if our trucks have them but most vehicle have a fuseable link on the wire from the battery to the alternator. There's a good chance that you took that out when you had your wrench welding session.
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Old 08-24-2009, 01:09 PM
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Quote:
Originally Posted by APEowner View Post
I don't know if our trucks have them but most vehicle have a fuseable link on the wire from the battery to the alternator. There's a good chance that you took that out when you had your wrench welding session.
I'll have to meter it later on and check for voltage. For now, I hope someplace has the fuel lines I need or I'm fukted, anyway. Maybe I'll order a braided Russel kit and make them myself. IDK, maybe $130 isn't so bad for two lines pre-made and ready; Just makes me sick to think how many nickels and dimes I have to throw into this truck.

Some have the Midas touch; so do I (in reverse) because everything I touch turns to SH1T!!!!!
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Old 08-25-2009, 08:37 AM
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I need a new FPR housing; you cannot just buy the part itself and Ford wants about $800 for a new HPOP assembly. Does anyone have an extra one or know where I can get one? Only one yard around here MAY have a 444, but no guarantess.

If all else fails I'll get the bowl delete from ITP.

Last edited by nc1500; 08-25-2009 at 08:40 AM.
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