Troubleshooting sensors
#1
Troubleshooting sensors
can anyone tell me what are the following: af sensor 21 stuck lean, ratio vacuum leak, failed AF sensor, incorrect voltage... and can these things be done by self or dealer... in desperate need, this is for a 04 TL.
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#5
Senior Moderator
P2197 HONDA - Front Air/Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1) Signal Stuck Lean
#6
Race Director
You can replace the APP sensor yourself. Very easy. Cost is about $130. Here's one link, but do a forum search for "P2138" and/or "APP sensor". Someone has posted a DIY for APP sensor replacement:
https://acurazine.com/forums/3g-tl-problems-fixes-114/malfunction-indicator-light-p2138-644042/
The APP sensor is #2 in this diagram:
http://www.acurapartswarehouse.com/P...gPicture=False
Last edited by nfnsquared; 04-04-2011 at 12:20 PM.
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