First eliminate all vacuum or air leaks in the system. Make sure the mechanical throttle linkage is not sticking.
You may have a bad IAC ( idle air control) but try cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.
SOURCE: transmissionn not engaging. will not shift into
Sounds like you should top up the transmission fluid.Warm the car up and the check it with the engine running and in park.The dipstick is on the drivers side below the battery and on the top of the transmission.If it checks good then you need to take it to a transmission shop to have it checked.
SOURCE: idleing
Could be a dirty IAC (idle air control) and it's causing it to run high, also, could be a tstat going bad because it would make it run like it was cold all day...check your temp after driving for a while....see if it's lower than it should be.
Testimonial: "thank you i will test iac because temp is fine"
SOURCE: 2002 dodge durango revs up to about 2000-3000 rpms
your Accelerator cable may be too tight and might need slacking off abit
However it could be timing screw is also incorrectly set.
SOURCE: my dodge dakota it idles
It is actually hard to say without actually seeing the vehicle, but the target speed for your engine idle is around 750 RPM. The stalling after revving kind of depends on how high you are revving it and whether the engine is at operating temperature or not. This may be normal. Then again, it could be that the Idle Air Control (IAC) is not working properly.
The shifting from first to second at 4000 RPM sounds like a completely separate problem. This could be due to low transmission fluid level, sticking shift control solenoids, or possibly even a malfunctioning Vehicle Speed Sensor.
If the Check Engine light is on, have that checked first.
SOURCE: 2000 durango running rough at idle and higher
No dash lights at all? Try replacing your speed sensor on your rear differential. Its a very small sensor on the top of the diff case. They are very cheap to replace so you wont be out much money if this solution doesnt work.
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