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Old 04-26-2007, 01:23 PM
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wont start, garage is quessing

1999, ford 350 7.3. Shut off and wont crank. New fuel pump and filter, Cranked and ran for 10 foot shut off. Ford picked up truck. 4 days later $800 dollars and another pump later, got 1 foot and truck shut off again. Ford now is saying its the ECM and they want another 500 to go forward. When I removed the old pump to replace with new pump, no fuel came out of the inlet line at first. I advised ford of this. They advised the ECM is killing the pumps.
Placed 12 volts on old pump and it shot out fuel. HELP> I have been a diesel tech for over 10 years, but did not have the time or Gauges to isolate. I no longer work on vehicles, changed job skills.
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Old 04-27-2007, 09:48 AM
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check your fuel inlet screen inside the fuel tank...if its plugged up with crud, she'll not get any fuel..no fuel..no run.
I have an 03 E550...there was tons of sediment in the bottom of the fuel tank causing major headaches...might be a cheap place to start. But if it won't crank over, I'd start by checking the electrical system...not an expert here by any defination, but trust me...someone will be along real quick to help ya out.
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Old 04-27-2007, 10:12 AM
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do you have power to your truck. Or when you turn the key on does it do nothing.

If you have power to your truck when the key is on. Check the little wire at the starter. See if it is loose. If it is tighten it up. That little wire is the trigger wire from the ignition. If it is loose or does not have contact the starter will not crank.

As for your not running or will not start have you replaced the cps ( cam position sensor). I would be checking that out as well.

Also your hpop if it is not providing pressure will cause a truck to shut down and not start back up as well.

Fuel system, this will not cause your truck to not crank.

First you need to get the truck cranking again and then we can fix the problem

Truck cranks but no start problem.

It sounds like you have 2 problems right now you need to eliminate the one to fix the other.
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Old 04-27-2007, 11:53 AM
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Sorry mis stated. Truck does try to crank, pull chip and it will crank, but will not stay running, stals, replace chip and it wont run. So chip is staying out. Garage wants to replace ECM/PCM. Ford garage 7 days, still working, well over 2 grand now and no solution other than to keep charging for differant parts.
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Old 04-27-2007, 12:09 PM
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Quote:
Originally Posted by frednubby View Post
Sorry mis stated. Truck does try to crank, pull chip and it will crank, but will not stay running, stals, replace chip and it wont run. So chip is staying out. Garage wants to replace ECM/PCM. Ford garage 7 days, still working, well over 2 grand now and no solution other than to keep charging for differant parts.
chip you did not mention a chip in your first posting.
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Old 04-28-2007, 07:15 AM
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"keep charging for different parts"...hmmmm you must have it at Allegheny Ford in Pittsburgh..they're experts in that.
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Old 04-30-2007, 02:32 PM
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Smile truck owner

Put a restriction gauge on the fuel line between the pump and the fuel tank. Then crank engine. Restriction should not be more than 5 psi. If it is quite high you will have to drop fuel tank and remove fuel then clean tank with hot soap and water and remove fuel filter in tank and disassemble and clean with soap and water also. reassemble and but clean fuel in. Hope this helps on the fuel filter in tank cleaning.
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