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-   -   How to adjust TPS??? (http://forums.mustangworks.com/showthread.php?t=21624)

Dark_5.0 04-02-2002 12:50 AM

How to adjust TPS???
 
My idle still surges a lil' bit I think I could probanly tune it out by messing with the TPS. What do I need to adjust it and how do I do it??

Thanks,

ultraflo 04-02-2002 01:14 AM

Get a voltmeter and set the accuracy to .001v

Pierce the black and green wires coming out of the tps.

Turn the key to the on position, but do not start it...
Get a reading with the throttle blade closed (usually anywhere between .600-1.200v)

For best performance it should be adjusted to .980-.990

To adjust it, loosen the two screws and rotate the sensor until you get it in the right range (you might have to remove it and "waller" out the mounting holes with a file to get it in the right range)...

Tighten the screws and recheck your voltage...

PKRWUD 04-02-2002 01:14 AM

Either by back probing the connector, or by piercing the wires with a small safety pin, attach a DMM pos lead to the green wire, and the neg lead to the black wire. Turn key on, but do not start the engine. At closed throttle, the DMM (set to VDC 10 scale) should read below 1 vdc. Rotate the throttle to WOT, slowly, and see that the voltage increases smoothly. At WOT, it must be more than 4.5vdc. To adjust the setting, loosen the two bolts that secure the TPS, and try moving it. The optimum setting at idle is .95 vdc. If your reading is way off, and you cant move the TPS enough to get within range, remove the TPS and try elongating the holes with a rat-tail file.

Take care,
-Chris


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