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I've just here recently been having idling, stumbling problems with my 240. Sometimes, especially when at a light, the motor will start to have a loping idle. It will increase and decrease and almost want to die. Just last night I checked that the throttle position sensor was adjusted correctly, cleaned the throttle body, and tried to adjust the idle (with the blue/white wire shorted to ground).
Anyway, a few months ago I gave it some TLC and replaced: air filter, fuel filter, fuel pump relay, flushed coolant, spark plugs, cap & rotor, wires, new coil, new belts, and cleaned the IAC. Afterwards it ran fine, but now I'm beating my head against the wall because of this idling issue.
To my real question though...I was trying to relieve the fuel pressure by removing the fuses for both the main fuel pump and the one in-tank pump. The fuses at row 4 and 6, according to the sticker behind the fuse panel. I can start the car, and it will keep running (the idle will occasionally change as well)! At first I thought that perhaps the fuse location sticker was wrong, but I checked a few other things, blower motor, horn, etc., and they were correct. Is there something I'm missing?
Sorry for the long post, but now I'm becoming frustrated with this car. This is the only car that I've owned that has left me stranded (twice). And it seems like one thing breaks after another. Please help!
Jack H
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