Question about 2000 Chevrolet Impala

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Car is jerking

First of all, I just want to say that we already know it is NOT the transmission. We bought the car used from the previous owner. It drove very well until about early July when it felt like the transmission was slipping... but very slightly. But it went away after awhile and just recently came back with several new problems. Sometimes when I sit at a light, the will watch the idle drop below 500 and then shoot back up to just over 1000. Then it will just randomly **** while I'm driving. I took it to Jiffy Lube and they filled up my transmission fluid (it was down almost 2 quarts). I drove it home that night about 30 miles, then drove it to the Jiffy Lube by my house, an the transmission fluid was down about 1/4 quart again. Then the car just randomly stopped and locked up while I was driving last Thursday - it was extremely difficult to turn the wheel and step on the brake. I was able to get it onto the shoulder and I sat for a minute and started back up - no problem. I drove it today about 5 miles and it was fine, it just jerked a little on the way home. I know it isn't bad gas or anything. I took it to the mechanic and he said he doesn't know what's wrong. I'm just hoping to get more suggestions to take back to him at the end of the week. THANKS!

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My 2000 impala has a jilt when im driving in the process of changing 2, and 3rd gear what can be the problem?

Posted on Sep 23, 2011

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1 Inspect Hose (Vacuum) Misrouted, damaged, loose, or clogged vacuum hose(s) Car is jerking - grey_line.gif 3 Inspect Spark Plug Wire Loom - Performance Improperly adjusted or worn/malfunctioning carburetor. 4 Inspect Fuel Injector Plugged, dirty or poorly connected fuel injector. grey_line.gif 5 Inspect Fuel Pump Improperly functioning fuel pump or circuits. grey_line.gif 6 Inspect Hood Brace Leaking, worn, or damaged intake manifold gasket Car is jerking - grey_line.gif"http://i.fixya.net/uploads/images/grey_line.gif" alt="grey_line.gif" class="h_mi" />
here is a list of things to check Here to Help Shaun

Posted on Nov 23, 2008

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