Hello,

I have a 1997 ES 2.5 engine that runs fine but when if you do not accelerate and give it a lot of gas it will stall. It does not run rough and even idles fine but if you just barely give it a little bit of gas, like if you are stopped at a light or something and need to move up a little bit it sometimes stalls. The car has around 150,000 easy miles on it and I do normal maintenance on it but I have not changed the fuel filter in a while. I am not sure if that is the problem or if the throttle body could be dirty.

What do you think could be the problem.

 

Start with both if they haven't been done in awhile. Had it scanned for stored codes?

 

I was told by a friend of mine in Florida who runs a repair shop that it could be the TPS switch. Where would that be located. Also, the engine light is on and has been for a while so I will have that scanned when I go to the auto parts store.

 

If the light is on, the car is literally telling you wants wrong. No sense guessing and throwing parts at it hoping for a fix. Get the code read. That will at least give you a starting point.

 

Rough idle to stalling; if EGR

Take the vacuum hose from the intake plenum to the EGR off the EGR.
Put a vacuum cap on the plenum nippe, then put the vacuum hose back on.
This will keep the EGR closed.

I had one a long time ago, and was an EGR valve.