D Dr.rinco Member Joined Jul 4, 2018 Jul 16, 2018 #1 Just recited the error code 21. I have the list of codes but just don't know how to fix the problem. Please help
Just recited the error code 21. I have the list of codes but just don't know how to fix the problem. Please help
scgnx2 Active Member Joined Jan 24, 2009 Jul 16, 2018 #2 Error code 21 is TPS reading to high. You need to adjust your throttle position sensor to the correct values. Do a search you’ll find the “how to’s”.
Error code 21 is TPS reading to high. You need to adjust your throttle position sensor to the correct values. Do a search you’ll find the “how to’s”.
F Frederickdav Active Member Joined Oct 10, 2014 Jul 16, 2018 #3 Adjusting the TPS and the IAC go hand in hand. It's a fun little balancing act we all go through.