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Discussion Starter · #1 ·
Hello! I have an 03 Discovery. Recently upon starting the vehicle, it's been revving to around 2000 RPM for a few seconds, than dropping. I don't think it's a stuck throttle, but either way I've been working with it to try and figure out.

I've cleaned the throttle body and the idle control solenoid with throttle body cleaner, which fixes it for a few days, but then it goes back to high revving. I've also attempted to spray a tiny amount of WD-40 on the throttle flap (for lack of a better term), which gets rid of the high idle, but because the idle is then so low the truck will stall unless I keep the pedal pressed.

Any ideas? Sensor maybe? I can't seem to figure it out.
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