2003 Buick Rendezvous hesitation in drive

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  • #12543 Reply


    I have a 2003 Rendezvous that just started to hesitate in drive from a stop. It happened 1 time about 3 weeks ago and now on Wed. it is happening everytime I drive it. It runs good in reverse and then when you put it in drive it is like it has no power, rpms seem very high and then once it creeps along and gets to about 20 mph it seems to run ok. but still seems like high rpms. I first thought throttle position sensor, so I replaced that with no luck on fixing it. Any thoughts? My next check will be Mass Air Flow Sensor, but i am not sure if that would cause these problems.

  • #16154 Reply


    Seems like you might have a transmission problem. When you mention that the rpm’s seem high, that tells me something in the transmission is slipping. Reverse would be fine since it’s different gearing, but drive would have the problem. You should check the fluid level first and see if it smells burnt or looks darker than the normal bright red it should be. If the trans is ok, you could be looking at a problem with the ignition, a clogged catalytic converter, poor fuel pressure or volume, etc. If the check engine light is on, get the code pulled and that will help in diagnosis.

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