Code 21 Tps
Thread Starter
Instructor
Joined: Aug 2006
Posts: 220
Likes: 12
From: Hagerstown MD
Code 21 Tps
has anybody replaced the TPS or adjusted it
if so can you tell me how to adjust
im not sure how to get the reading for the sensor
i know it should be .54+ volts but im not sure how to measure
my vette is idling very fast and the code i pulled was 21
if so can you tell me how to adjust
im not sure how to get the reading for the sensor
i know it should be .54+ volts but im not sure how to measure
my vette is idling very fast and the code i pulled was 21
Le Mans Master
Joined: Feb 2006
Posts: 8,753
Likes: 9
From: Louisiana
http://www.se-r.net/engine/tps_voltage_adjustment.html
Once you get it around .54v, disconnect the battery to reset the ECM. If the code reappears you will need the FSM to troubleshoot.
Once you get it around .54v, disconnect the battery to reset the ECM. If the code reappears you will need the FSM to troubleshoot.
