Q&A
Ask Your Question2001 Dodge Intrepid
Question: P0432 Main Catalyst Efficiency Below Threshold (Bank 2)
Question
P0432 Main Catalyst Efficiency Below Threshold (Bank 2)
What should I do to fix this?
-
Answer #1
Bret Bodas January 26, 2010, 11:04
MasterHere is some info and other similar questions asked about the P0432 DTC
http://repairpal.com/search/p0432
:
Trouble Code: P0432
Catalyst Efficiency Below Normal (Bank 2)
Trouble Code Conditions:
Engine speed at 1200-1700 rpm in closed loop with the throttle open for over 2 minutes, ECT Sensor more than 147ºF, MAP Sensor signal from 15.0-21.0" Hg, and the PCM detected the switch rate of the rear O2 reached 70% of the switch rate of the front O2.
Possible Causes:
* Air leaks in at the exhaust manifold or exhaust pipes
* Base engine problems (high coolant or engine oil consumption)
* Catalytic converter damaged or has failed
* Front O2 older (aged) than the rear O2 (O2 is lazy)Flag ThisLike | 6 people like this6 -
Reply
Visitor, November 07, 2010, 07:46The po432 code is on it does have high coolant consumption
Flag This -
Reply
Visitor, August 14, 2011, 08:31ReplyI was haveing codes p0121 and p0123 with p0432, now that the TPS has been changed and a tune up has been done the p0432 has not come back and if it come back what should i repair?
Flag This -
Best Answer
Visitor, April 19, 2010, 12:13ReplyHow much would it cost to fix this problem
Flag ThisLike | 11 people like this11 -
Answer #3
Visitor, June 06, 2010, 17:15replace downstream O2 Sensor
Flag ThisLike | 5 people like this5 -
Reply
Visitor, March 30, 2011, 10:21ReplyWHAT IS THE DOWNSTREAM 02 SENSSOR
Flag This -
Answer #4
sammysams June 20, 2010, 16:35Reply
RookieReplace the two front oxygen sensor
Flag ThisLike | 4 people like this4
This week's top 10
| 1 globalhelper | 6 Autohaus Lake Norman |
| 2 milesauto | 7 TimGoodreau |
| 3 csubak30 | 8 raiderron |
| 4 jose8889 | 9 Merrimack Auto |
| 5 obdcar | 10 Camster |