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Comments
Background: New sensor on air intake. New battery (Good one). Cleaned EGR valve and AIC (Carb cleaner). Intermittant cutouts during driving fixed through replacing vehicle speed sensor on the exhaust system. Intermittant fault led to difficult detection but OCD I highlights air intake sesor and EGR valve. Sensor replced with new. EGR cleaned with carb cleaner. Computer been reset a few times. 3 months no computer reset, hard to start now if at all. Engine check light still on and gas consumption high. Again vehicle REALLY struggles to start if left parked in the sunshine downtown.
Hope you find your problem you might have to dealer do a scan on the computer maybe that will show it.
Irronically the last time I put in E-85 (about 9 months ago) I had the same thing happen but the shop juggled some fuses and it started running again. This time it cranks and wont start. I dont hear the fuel pump come on or smell fumes when it starts so I guess it could be the fuel pump out but wonder if the E85 could cause it to go out? After I put it in I drove around and turned the vehicle on and off several times and it ran fine. Was only after sitting over night it did this. Any ideas?
My 2001 Sport Trak is doing the same thing. It stalls when you are driving. When you accelerate from a dead stop the harmonic balance sensor located behind the harmonic balance flywheel picks up the pulses from driving hard. The sensor gets old after time. The sensor should read about 500Hz when working correctly or so I think, and mine was picking up pulses of 5kHz when running rough. It will cost you about $450 to replace, parts and labor (Austin, TX prices). You will have to replace both the sensor and the flywheel as they are a set. My mechanic found it on mine when it started doing this and he said it is a common problem on Explorers. He fixed it on his Mother's Explorer.
The one thing that doesn't work is for someone to just try and guess what is going on and start tossing parts.