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Re: High RPMs
What have you been doing when this happens? On my van, 2500 rpm would be moving down the road at pretty good speed--like 60 mph!
There isn't much that can do this and not set a code at the same time. You need to look at the throttle cable linkage and pedal setup, and check the intake butterfly by hand to see that its not sticking anywhere in its rotation.
I don't think its possible for the TPS (throttle position senser) to fail in any way that could cause this and not set a code. Besides, even if the TPS thought the throttle was open enough to get to 2500rpm, the engine would never go that fast unless it had air which means the throttle really is open that far.
If I'm understanding your description correctly, then its running exactly as if you had your foot on gas and held it to 2500rpm?
Don't drive this van, its dangerous until you solve this problem!
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