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Jeep Wrangler Error Code P0432


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2001 Jeep Cherokee Sport P0432

sponsors and let them know you heard about them on WranglerForum.com Click HereTo Join (FREE) 10-19-2011, 09:14 AM #1 jkics Jeeper Join Date: Oct 2011 Location: Hattiesburg

P0432 Dodge Dakota

Posts: 79 P0432 code I recently had one of the o2 sensors replaced cause it was blowing the fuse. Im thinking it was the last one in line. Now from time to time I get P0432 code. Any connection? any ideas? I read somewhere that the first sensor is older than the last one, maybe the cause. Hope im making sense !! 10-19-2011, 09:30 AM main catalyst efficiency below threshold bank 2 #2 TnDz TJ Jeeper Join Date: Apr 2011 Location: Reno, NV Posts: 2,925 Code P0432 indicates that the Bank 2 Main Catalytic Converter emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by the Oxygen Sensor located on or near the outlet of the Catalytic Converter. This code refers to the BANK 2 DOWNSTREAM O2 sensor... BANK 1 is cylinders #1, 2 and 3.... BANK 2 is #4,5 and 6... There are 4 O2 sensors total... BANK 1 UPSTREAM BANK 1 DOWNSTREAM BANK 2 UPSTREAM BANK 2 DOWNSTREAM Hope this helps you out... I'm going thru the SAME THING right now... if not the O2(s) ... then the CAT is shot, which means a new downpipe for abut $350 at Rock Auto (Cheapest I have found). It replaces both BANK 1 and BANK 2 cats at the same time. __________________ ~Todd~ 2004 X 4.0 5 speed---SOLD 4" Lift, 4.56's, 33" Duratracs on M/T Classics RR SYE, Tatton CV, MML, BL, TT, Dynomax Exhaust Hella Lighting: Driving, Fogs and H4 E-Codes NOPE! ... and NEVER will be... 10-19-2011, 09:32 AM #3 wwch99tj Jeeper Join Date: Mar 2011 Locati

Possible causes - Warm Up Three Way Catalytic converter deterioration or malfunction- Exhaust system leaks- Loose front or rear

P0432 Catalyst 2-1 Efficiency

HO2Ss- Faulty front heater O2 sensor- O2 sensors harness is open 2004 jeep grand cherokee p0432 or shorted- O2 sensors poor electrical connection What does this mean? Tech notes As the code description p0432 jeep xj implies the P0432 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is http://www.wranglerforum.com/f210/p0432-code-118473.html expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0432 code is combined with other codes, try fixing the other codes first. What does this mean? When is the code detected?The P0432 code is set when the Engine Control http://www.engine-codes.com/p0432.html Module (ECM) detects rear HO2S value difference becomes closer to value of front HO2S. The ECM monitors when vehicle speed is 25-60 MPH, load is 22-45 percent and engine speed is 1000-3000 RPM. Possible symptoms- Engine Light ON (or Service Engine Soon Warning Light) P0432 Description The Engine Control Module (ECM) monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and heated oxygen sensors 2 (rear O2 sensor).A three way catalyst converter (Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase.When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three way catalyst malfunction is diagnosed. P0432 Information for specific makes P0432 AUDI Main Catalyst Efficiency Below Threshold Bank 2 P0432 CHRYSLER Catalytic 2/1 Efficiency P0432 DODGE Catalytic 2/1 Efficiency P0432 JEEP Catalytic 2/1 Efficiency P0432 MERCEDES-BENZ Main Catalyst Efficiency Below Threshold Bank 2 P0432 VOLKSWAGEN Main Catalyst Efficiency Below

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P0432 burr Jeep Wrangler Hi I have a 2001 jeep wrangler set code p0432 this jeep has 4.0L motor it has two mini cats as well as the main cat jeep is running fine just has intermittent check light thanks for any help you can give me SPONSORED LINKS Do you have the same problem?YesNo Monday, February 27th, 2006 AT 11:42 AM 1 Reply bluelightnin6 Expert 17,061 posts P0432 Main Catalyst Efficiency Below Threshold (Bank 2) This engine code can be triggered by any one of the following: 1.) The catalyst in the catalytic converter is cracked, clogged, or otherwise damaged. 2.) The secondary O2 sensor is malfunctioning. 3.) There is an exhaust leak. 4.) The computer unit is faulty Need to have converters flow tested. Also need to check oxygen sensors. To learn how to check an O2 sensor, follow the link below.. http://www.2carpros.com/how_to/how_to_test_oxygen_sensor.htm Thanks for using 2CarPros.com! SPONSORED LINKS Was this answer helpful?YesNo Wednesday, March 4th, 2009 AT 11:06 AM Please login or register to post a reply. Found 0 related questions Code P0432 View more Ask a Car Question. It's Free! SPONSORED LINKS Need To Replace Your Fuel Pump? Do It Like A Pro Need To Replace Your Catalytic Converter? Here is How Fuel Pump Replacement Done Right Find a car manual for your car Contact• Help• About• Privacy Policy © 1999 - 2016 2CarPros, Inc.


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