20 Most Recent 2002 Ford F350 Super Duty DRW Reg. Cab Questions & Answers

Neutral safety switch is tore up or the wires are melted and shorting. Look on the side of the tranny for the part shown below. Also check the pins on the switch connection.

As I understand these systems the ECM is not what powers the glow plug relay. Any kind of engine controls happen after the engine starts. There should be a power relay which feeds the juice to the glow plug relay. When you turn the keyswitch to start and the light for the glow plugs goes out you should hear a clicking as the glow plug timer cycles juice to the glow plugs. The glow plug side is a separate system from the fuel management side. Someone should check the glow plugs to see if each is good. The diesel system used to be simple and it sounds like you are complicating what should be a simple repair. I could be wrong, but it does not sound like the Dealer is selling you the parts you need. A diesel needs a heated combustion chamber to initially fire and then it runs by compression. Perhaps if you change the power relay from the vehicle you removed the ECM from and tried it in your truck it would work with your old ECM.

that is limp mode there is a problem with the engine and you need a code reader to find the problem cam and crank sensors are prom to go over time but there are other sensors and to find the right problem the codes need reading. also i would recommend you check the diesel round seal on the intake as these can fail. ford want you to by a new unit and so do others, but the seal can be replaced and only cost a few pence. take old one into a bearing and seal supplier and they will locate one in stock, has this problem myself as it cause engine problems with weak fuel pressure.

Hi there,

I have some diagrams, but will be too small to post as images.

Would you prefer I email these to you, as PDF's?

If yes, leave me your email.

Cheers,

Scott

YOUR ACCELERATOR PEDAL SENSOR ON ACCELERATOR PEDAL IT HAS BOLTS HOLDING IT IN PLACE.JUST UNPLUG ACCELERATOR CONNECTOR AND REMOVE THE BOLTS THEN SENSOR.

You mean it starts itself whenever it wants? Or used to? How's the Positive cable? What else was it doing before you changed battery?

Hopefully this video will help you out

Sorry no injection pump on that vehicle. You have HEUI injectors located under the valve covers.

your best bet would be youtube

coolant or oil? heres a diagram

Its in the engine compartment left hand side rear.

auto shutoff relay or fuel control to the injector pump from the ignition switch..be checking the batteries for connection(or burnt thru solenoid because ecessive cranking will burn these up with all the amperage required to spin a diesel...)

What motor do you have? Go to this site, plug in your info and download manual. https://www.fleet.ford.com/maintenance/owner-manuals/