Trouble On The Horizon

[TexasLexus94]

Driving along a smooth, flat highway, maintaining a constant speed of, say 40-60 MPH, when I let off the gas, and then lightly reapply pressure to the accelerator, I get a hesitation that feels like an engine missing for a split second. One or 2 bumps. Then all is well again. No problems under any other conditions-accelerating, idling. The car is fully tuned, with new wires, plugs, clean intakes etc. It does not feel like an electrical problem, nor a fuel problem. My fear is the tranny or rear end. Car has 105K miles.

Any ideas I can pursue? Thanks for you help.

[Em91]

Try putting in some fuel injector cleaner like Chevron Techron. Maybe your fuel injectures are alittle dirty. You may also have gotten bad gas. Good luck.

[99lsguy]

You could pan drain the tranny and add a couple fresh quarts Toyota type IV

and

Change your diffy fluid -- 80-90W GL-5 gear lube.

that'll cost you about $30 total if you DIY

[ylekiot1]

I had hesitation and the transmission didn't seem to be "talking well" with the engine on shifting or significant accellerator changes. Seemed to shift hard thinking i was getting on it when i wasn't. On a whim I adjusted my throttle position sensor. Problem solved.

[VBdenny]

How do you adjust the throttle pressure sensor?