Possible Missfire?

[SHOWYA]

I have noticed this problem for about 5 months.
The problem is that when maintaining the accelerator at a constant speed, the car will feel like it will lose a minimum of power and then be normal again.You really have to pay attention to notice. This happens intermitently while keeping a constant speed. It feels like somebody will pull the car from the back and then immediatly let go. This never happens when accelerating hard. Plugs and wires are fairly new. CID and CPS sensor are also new. Has anybody experienced this before?

 

[SHO EET 1]

That's what I am getting as well. Are you getting a CEL?

<small>[ June 25, 2003, 11:01 AM: Message edited by: SHO EET 1 ]</small>

 

[sdpatt]

Try it with the climate control set to VENT and see if the power loss is still happening. I'll bet you are noticing the drag of the cycling A/C compressor. How frequently do the "power losses" occur?

 

[SHOWYA]

I will get the CEL but it will turn off almost immediatly. Havent checked for codes yet.
"Power Losses" happens when i maintain a constant speed, and it is more noticed when in 3rd or 4th gear.

 

[slickn56]

Sounds like a faulty throttle position sensor...only one way to know for sure...check those codes!

 

[SHOWYA]

I cleand the throttle body and idle air valve and seemed to smooth it out. The engine seems quieter too!