5.0_faithful

When I first start my car and drive off, after my first stop the car starts to stumble or buck. If I step on the gas the car doesn't respond very well at first but then it starts moving again. When it stumbles it feels like it wants to stall out but it doesnt. This only happens every once in a while and it only seems to happen when I first start it up in the morning. After that its fine. It pulls hard, strong, smooth. What do you think could be the cause of this periodic problem. I'd like to fix it before it happens more frequently. A couple weeks back I cleaned my throttle body, IAC, set my tps voltage at .985. My plugs,wires, cap,rotor are only one year old. My o2 sensors are maybe 2 yrs. My fuel pump and filter are brand new, less than 300 miles on them. Any ideas or suggestions ? Thanks...

5.0_faithful

Sorry if nobody knows why.It hasn't done it in a while now.

5.0_faithful

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