1989 ford f350 diesel wont start

Hello coffeyjoh791, first make sure the transmission isn't low on fluid, if you are certain that it isn't low on fluid you may be wise to have the fluid and filter changed in the transmission.
God luck my friend!

Never, ever use starting fluid in your diesel.

Taken from the Owners Manual - Diesel Supplement:

Do not crank the engine for more than 30 seconds at a time as starter
damage may occur. If the engine fails to start, turn the key to OFF and
wait 30 seconds before trying again.
Do not use starting fluid such as ether in the air intake system (see Air
Cleaner Decal). Such fluid could cause immediate explosive damage to
the engine and possible personal injury.
Do not add gasoline, gasohol or alcohol to diesel fuel. This practice
creates a serious fire hazard and causes engine performance problems.
1. Make sure all vehicle occupants have buckled their safety belts. For
more information on safety belts and their proper usage, refer to Seating
and safety restraints chapter in the owner guide.

i have a 1994 f350 diesel 4x4 the engine wont start

chilton makes a great book that will shoe you step by step details

It is the fuel heater, All you have to do is unplug it.

check your earth connection and clean it up for a start

when you get a code the PCM will keep that code and till it get easased. you need a scaner or disconect your battery for 1h. this should clear your codes. when the battery is disconected don't sit in your can. the air bags may deploy if you hit the steering collem or a sensor to hard. just let it sit. reatach your battery then try to start your truck. if the codes are still pressent you make need let the car sit for longer or bit the big one and get the shop to do it.

Thanks for replying to my email. We were given the information by a local salesperson.

Thanks!

Shell Rotella 15W40 is the best oil to use all year round in a diesel engine. That is what we use here in Canada !!

89 Has EFI not carb. I vote to give you a ZERO!! The problem is more likely the IDLE AIR CONTROL VALVE (no sh!@#) "IDLE"????