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Q: Runs "rough", Transmission won't shift on 1995 Ford Ranger
The above described Vehicle has a 3.0 V-6 engine. The Automatic Transmission is a 4R44E. If I hit a "bump" in the Road, the engine would temporarily "die" and immediately come back to life.
I have changed the Shift Position Sensor and the Speedometer Sensor on the Side of the Transmission. I also took the Pan off the Transmission and checked for loose connections going to the Servos. The Connections to the Transmission was also observed for Loose Connections and Burnt Wiring. Nothing seems to help. A local Garage placed a "hand held" Analyser on the Truck. Some kind of "open circuit" was shown. Can the Computer be analysed?
I was "forced" to take a temporary route to my home. The Road was a "washboard" and rough. The Overdrive Light would repeatedly come on and off. Finally, the Truck refused to pull or shift gears. The Engine ran extremely rough and would not run faster than an idle.
I have changed the Shift Position Sensor and the Speedometer Sensor on the Side of the Transmission. I also took the Pan off the Transmission and checked for loose connections going to the Servos. The Connections to the Transmission was also observed for Loose Connections and Burnt Wiring. Nothing seems to help. A local Garage placed a "hand held" Analyser on the Truck. Some kind of "open circuit" was shown. Can the Computer be analysed?
I was "forced" to take a temporary route to my home. The Road was a "washboard" and rough. The Overdrive Light would repeatedly come on and off. Finally, the Truck refused to pull or shift gears. The Engine ran extremely rough and would not run faster than an idle.
(1) Answer
(2) Comments
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I think you have two issues here. You have a transmission issue as evidenced by the flashing OD light and shifting issue.
The "die" and immediately come back to life -- sounds like another issue. Definitely warrants a diagnosis and monitoring to determine what is being lost when the problem occurs. Think something along the lines of a crank sensor or cam sensor...wiring issue... Not a common concern to address, but with patience, effort and appropriate diagnostic equipment, you will get to the bottom of it.
The "die" and immediately come back to life -- sounds like another issue. Definitely warrants a diagnosis and monitoring to determine what is being lost when the problem occurs. Think something along the lines of a crank sensor or cam sensor...wiring issue... Not a common concern to address, but with patience, effort and appropriate diagnostic equipment, you will get to the bottom of it.
Let me add one more detail. When I unplug the harness going to the Transmission which consists of 13 wires, the Engine will run properly. I forgot to mention this detail. I am planning to take this to a Ford Dealership for analysis.
Well, that's a pretty big detail that brings it all together. It would appear to me that you could have an issue within the transmission itself (possibly wiring, or solenoid issue) that is stalling out the engine. There should hopefully be a code in there to help point in the right direction.
My complete guess would be torque converter clutch solenoid or the clutch itself. Wild guess, though.
My complete guess would be torque converter clutch solenoid or the clutch itself. Wild guess, though.
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