Join Date: Nov 2013
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ANYONE?. So, I got a reader on this thing and did the buzz tests. All injectors fire/working properly. Did get the vague code for the harness (UVC). I pulled the covers and found a super clean engine. This thing looks as if it only has 30K on the engine. The wiring harness looks excellent (I know it could have issues not detected by the naked eye, but it definitely isn't shorting out/burnt/disconnected. I disconnected the harness, no oil in between the connectors. I installed the "shim". Buttoned it all up and fired her up. Ran super smooth- it ran very well before, but being new to diesel's I had no idea it would run this smoothly. Let it ideal for 5/10 minutes, drove it a few miles, stopped/turned it off, fired it back up after twenty minutes and off we go. YEAH, fixed!
BUT WAIT, next day start it up, running great for 2 minutes and dies. Turns over and over, but nothing. In frustration I jump in the MOST RELIABLE CAR EVER- 1990 Mazda Miata (200 plus K), shipped around the world twice, raced (hard for three straight seasons) and never left me stranded (excluding the time I forgot to put the radiator cap back on- but once it cooled I put water in her drove off). ANYWAY, I get home 7 hours later, try the truck and it fires right up and idles super smooth. Left it running in the driveway for 20 minutes without an issue. The SES light was staying on while the truck was running, but goes out when it dies(yes, the key was left in the run position).
So, what the heck is going on, PLEASE, this is getting ridiculous and I don't have spare money to dump into this thing.
RECAP- DCM appears fine, super drive, well sealed, new dielectric grease after terminals cleaned. Main engine harness removed and cleaned/checked- visible check only, looks good, dielectric grease and reassembled. New IPR (Motorcraft). Rebuilt fuel filter housing and new Motorcraft filter. Fuel drained and tank mods. performed (Hutch and Harpoon). New batteries-850CCA. CSA is good and have a spare. HPOP drained and new oil, oil change.
I can't believe there's one little wire somewhere causing this problem. What's next? I used to jump in this thing and just go. Now I'm losing all confidence in this truck, which is sad because I do like it.
Forgot to mention TSP chip. Should I pull it and see what happens?