Fuel pump decided to take a crap - Ford Powerstroke Diesel Forum
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Old 11-20-2010, 01:32 PM
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Fuel pump decided to take a crap

Well I was about 30 miles from home this morning, stopped at a store, went to leave and everything was fine. About a half mile down the road it started shaking like a tire was outta whack so i let off the throttle, went away. Tried to go faster and it wouldnt go over 50. Stopped at a stop sign and it would rev up and go over 8 mph. Got it pulled into a parking lot and hitched a ride (a guy I knew with a dodge) and went back with dads 6.7 and brought it home. When I was waitin on the ride it idled rough as h*ll, lopin, missing, starvin for fuel. Blue smoke coming out the exhaust when revving. It would only rev to 2500 and then it would creep down. I feel like this is all symptoms of a fuel pump failure or air in the lines. I filled up with diesel yesterday and it held about 24 till the pump maxed out. It was on 1/2 a tank so it wasnt low on fuel. I still have a warranty for 14xxx miles and so im gonna take it in to get done. My question is, is the factory pump sufficient or should I upgrade (and upgrade to what). With pmr's Stage 2s would be the biggest I would go. What else should I do while were dealing with the pump, filters, clean the tank and lines?

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Old 11-21-2010, 04:10 AM
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Whenever I replaced mine, (not under warranty) I went to autozone and they gave me a pump for like $100, it works fine and it wasnt that bad to install. I was also wondering if you needed an upgraded pump for bigger injectors. Sweet looking truck btw
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Old 11-21-2010, 05:10 AM
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Thanks. I see you plan on doing forged rods, what steps are you taking to do them and how much do you think itll cost? I want to do them and headstuds and id have no problem going with stage 3s. Are you gonna get them from another engine or get new(if you can)?
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Old 11-21-2010, 09:46 AM
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Factory pump is fine for Stage 2's and even hybrids... Test the fuel pressure... Blue smoke does not sound like a fuel pressure issue.
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Old 11-21-2010, 02:11 PM
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another possibility, bad injector o-rings leaking high press oil into the cylinders, causes blue smoke and injectors fire poorly.
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Old 11-21-2010, 04:22 PM
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Ok i took it by the mechanic from the dealership and he said the pump sounds week so I took it on in and ill get them to check it tomorrow.

CSIPSD: What could blue smoke mean? I would say it was a white/blue smoke.

Countryraised: Would bad o-rings cause it to run fine and then suddenly run bad?
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Old 11-21-2010, 04:44 PM
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not usually a sudden change, but something to keep in mind if it's not a simple fix.
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Old 11-22-2010, 05:23 AM
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Whatever you do, don't go to Auozone or Advance Auto and buy their non-OEM fuel pump.

I did that for a friend a couple years ago, and the "lifetime" pump failed within two weeks. Turns out after talking to one of the managers is that the pump isn't designed for diesel. Plus, the non-OEM pump has shorter lines leads making it a PIA removing the fuel lines when it eventually fails.

Stick to the Bosch pump ($$$) or a good aftermarket.

Good luck.

Al
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Old 11-22-2010, 06:31 AM
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Quote:
Originally Posted by Albin View Post
Whatever you do, don't go to Auozone or Advance Auto
agree! hope the warrenty covers anything wrong.
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Old 11-22-2010, 02:05 PM
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Ok fuel pressure was 5 psi. Replaced the pump under warranty and they changed the fuel filter while it was in there. Runs great now!
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