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My wife was driving through the intersection when the truck died... Tried to start it again but no go, I had it towed home, and stared to troubleshoot. I have a Scan gauge2 and these were the readings: FMP: 47.5, IPR: 84.71, SYC: 1, ICP: 0
I pulled the IPR (that was only a year old) and the screen was perfect. I had 11.5v at the plug for the IPR, and on the Ohms scale I was reading 1.8Mohms.
I went to the dealer and got a new IPR, and still no start. and the only change in the reading on the scan gauge was the ICP is now reading 56. The gauge on the dash is reading normal oil pressure, but I haven't checked actual Low end oil pressure.
Last month I replace the HPOP, and 1 faulty injector. Now I thinking wire loom, defective new IPR from the dealership, or the new HPOP has failed
any suggestions?
Was it a ford reman. They have a bad rep for not being the best option some are bad out of the box. May need to air test. Pull the plug on the ICP and see if it fires.
Whether you have an '03 or '04 engine, You're much better off getting your money back for that one and getting a Dieselsite pump. You will spend some money up front, but you'll have a pump that will out perform the factory pump and not have the issues the stock one did.
I agree Razzi, I am just trying to decide if it is worth the effort for an air test or go directly to the pump replacement. Air test on the 04 engine is easier and worth doing IMO.