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Old 01-22-2013, 12:59 PM   #1962
Zuber
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Joined: Sep 2004
Location: Main Street, Shedd, Oregon
Oddometer: 1,851
Adjusting the TPS and High Idle

When you adjust the TPS, the idle may be very high or low afterward. You need to turn off the power for 5 sec. or so to let the ECU clear out the previous setting. Then when you re-start it will be normal again.

If you get erratic idling. Look at the TPS sensor quality. Open the throttle and snap it shut, it needs to go back to the same voltage. It should smoothly change voltages when you move the throttle. These will get dirty and need to be replaced.
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