Speedo out/ shifting funny could mean burnt up transmission. Depends on how long it got driven like that. Doesn’t take long to smoke those transmissions when they’re not shifting properly. If you want to make sure you’re protecting yourself, offer him what it’s worth minus the cost of replacing...
Original IP with 250K on it, boy you got your $ out of that one! They don’t usually make it that long.
If the starter spins fast, and the engine kicks over on ether, I’d be looking at that IP. Get a flashlight, look underneath it for signs of fuel leaking onto the valley pan.
Have a...
I had the same experience as Joe Mc. Truck would start and run, but would randomly die on me going down the road or sitting in the driveway idling. It would almost always restart though. Then one day it just wouldn’t. It would crank but no start. Ignition switch. Attached to the steering column...
I sourced my aL replacement radiator through Jeg’s. The brand name is Champion. Nice price. I’ve been running it for two years in my 1990 F250 with the 7.3 IDI motor. No issues.
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Daveben is correct. Had a brain fart last night. Only Motorcraft glow plugs with the Beru Germany stamp on them. Part number ZD9 for the 7.3 engine. Here’s a good article that covers the topic:
https://www.dieselhub.com/maintenance/idi-glow-plugs.html
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Usually takes a few bad glow plugs to cause the relay to cycle continuously. Testing the glow plugs with a test light is fairly easy. If I remember correctly, just put your clamp on the positive terminal of the battery and try to ground your light through the top of the glow plug. There are...
Check your ignition switch down on the column. I’ve got my dad’s old 1990 F250 with the 7.3. This phenomenon drove him nuts for years. Truck would just cut out going down the road. Restart would usually be fine. I inherited the truck after he passed, and one day, the thing died right in the...
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