Question about 1995 Ford F350

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My truck has lost power 1999 F250 diesel 7.3 i have no check engine light that has come on it just seems to have no power

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Might check your filters, Or maybe you got some bad gas causing it to lose power. good luck to ya.

Posted on Mar 27, 2011


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Diesel. Reduce power lite turned on. Shut off engine and started back up - lite is off. Can it be driven?

Jerry, Drive to a good shop. So many things can cause reduced power light unfortunately. The first step would be to get the truck hooked up to a scanner/computer and have the computer scanned for trouble codes. One thing that you could try is to drain the water from the water separator that is mounted on the frame under drivers front door. If the PCM picks up on water, power is reduced until water is removed/drained. It could be an exhaust sensor that is reading faulty. Unfortunately from here its impossible to tell you exactly what the fault is because there are just so many engine sensor inputs that could cause your problem. Check the attached links, forums,instruction and guides, Good luck
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Dec 29, 2015 | 2008 Ford F-250 Super Duty

1 Answer

Ford F250 1999 7.3 diesel is leaking power steering

the pump has a bad seal check for loos lines don,t over fill it

Feb 15, 2012 | 1999 Ford F250 Regular Cab

1 Answer

Service engine soon light came on and the engine acts like it's not getting enough fuel in a 1999 ford f250 7.3 diesel engine

The best place to start is getting the code read and see what malfunction was detected. While the Power Stroke is a very strong and reliable engine it is loaded with sensors and computer controls. Anything short of that would just be a guess.

Feb 01, 2011 | Ford F-250 Cars & Trucks

1 Answer

My 1999 ford 7.3 diesel starts and runs fine. When i press the gas pedal i get nothing and the check engine light comes on.

Sounds like the governor in the injector pump is hanging, that or your linkage has come loose. If you haven't yet, check that. On mine, the little clip on the throttle cable came off the ball on the pump linkage.

If it's not the linkage, get a can of 'Diesel Kleen' from (I think) Power Products (most auto parts stores should have it, if not then check the truck stop. If they don't have it, ask what people buy for a sticky pump) and fill the filter with it. Bleed it, Start the truck and let it run long enough to fill the pump with the Diesel Kleen (30-40 seconds) and shut it off and let it sit for a couple of hours. Fire it up and see what happens.

If nothing improves, come on back and we'll take it from there.


Jan 10, 2011 | 1999 Ford F250 Regular Cab

2 Answers

Firing diagram for 1999 ford f250 5.4L

okay, this should help you:
Firing Orders; (4.6L - 5.4L)
(Passenger Side) 4 * 8 (Drivers Side)
(Passenger Side) 3 * 7 (Drivers Side)
(Passenger Side) 2 * 6 (Drivers Side)
(Passenger Side) 1 * 5 (Drivers Side)
Ford 4.6L Engine
Firing Order: 1-3-7-2-6-5-4-8
Distributorless ignition system
Ford 5.4L Engine
Firing Order: 1-3-7-2-6-5-4-8
Distributorless ignition system
(One coil on each cylinder)

Nov 09, 2010 | 1999 Ford F250 Regular Cab

1 Answer

A relay in the dash board ic clicking and truck wont start its a 1999 f250 super duty diesel. it turns over but wont start. i just installed new fuel pump its working fine

It sounds like the "Timer" for the glowplugs, but you may want to prime the Fuelfilter to provide a draw for the fuel. One of the problems is you lost the fuel in the lines as soon as the fuelpump was disconnected.

If you installed the fuelpump because of a "NO start" condition it may have been the Glowplug timer all along. You may have taken a wire loose for the Timer or broken a wire. The Timer box needs feedback from the Glowplugs.

Disconnect one of the Glowpug wires and put in a test light to the wire. Observe when you put the engine in RUN position if the Testlight will light up. If the Testlight does not light, you are not getting power to the Glowplugs.

Diesels need Glowplugs only for starting. After that, the compression operates the engine. The Timer for the Glowplugs regulates how long the Glowplugs work each cycle. You may have to test the Glowplugs if they get power but do not work.

Each Glowplug is like a sparkplug. You would need to pull them and connect 12 Volts to each. Use a jumper cable and do not touch the threads. Use power sparingly or you can melt them. But 1 by 1 you can see a difference in a bad or good glowplug by how each gets hot.

Aug 14, 2010 | 1999 Ford F250 Regular Cab

1 Answer

2003 ford f250 6.0 diesel. No power to anything

Sounds like a bad connection on the fuse links. You may be able to find a YouTube video on the subject.

Apr 15, 2017 | Ford F-250 Cars & Trucks

1 Answer

Looking for a wiring diagram for a 1999 Ford F350 Diesel. Anyone got one???

1999 ford f250 diesel electrical system diagram free|Free eBook ... The 1999 ford f250 diesel electrical system diagram free Documents at ... That's a Ford Tractors wiring diagrams and Harnesses contributed by Neil Reitmeyer ... - 22k

Aug 10, 2008 | 1994 Ford F350 Crew Cab

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