Question about 2003 Jeep Grand Cherokee Limited

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Code 0161 02s heater ckt malfunction

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If the computer is the correct part number its either the o2 senser or the heater wire is broken where it comes out of the computer test the wire first by checking the risestance from the computer to the o2 senser

Posted on Nov 19, 2013

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Posted on Jan 02, 2017

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My 1998 cad. seville sls reads check underbody , do not exceed 90 mpr, what could be wrong ?


SPEED LIMITED TO 90 MPH -- 113
When the RTD detects that a suspension related malfunction desist and the PCM has received a class 2 message to limit vehicle speed. The PCM sends a class 2 serial data message to the IPC requesting that this message is displayed.

RTD
Real Time Damping

Your best bet , take it to the cadillac dealer
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Aug 10, 2017 | Cars & Trucks

2 Answers

I trouble with P0106, P0442, P0455


code p 0106 refers to manifold absolute pressure(MAP) sensor / barometric pressure (BARO) sensor---range /performance problem===causes --intake exhaust leak---wiring---MAP sensor---BARO sensor
code p 442 refers to evaporative emission(EVAP) system--small leak detected===causes --hose connections ---intake leak---EVAP cannister purge valve
it also refers to EVAP system ---large leak detected ---cap loose/ off ===causes --mechanical fault , hose connection EVAP pressure sensor
code p 0455 refers to EVAP system --large leak detected ===causes same as for p 0442 causes

Jul 07, 2016 | Plymouth Grand Voyager Cars & Trucks

1 Answer

P0155 Sensor heater ckt - CKT malfunction bank 2 sensor 1


Sensor one is in the exhaust manifold, in this case, on cylinder head bank 2 which is cylinder head near the radiator

Oct 07, 2014 | 2000 Toyota Sienna

1 Answer

2001 kia sportage how to test ecu


substitute it with a known good one is the quickest method

Feb 22, 2018 | 2001 Kia Sportage

1 Answer

Diag code P0339


P0339 is Crankshaft Position Sensor A CKT Intermittent
P0335 is Crankshaft Position Sensor A CKT Malfunction

Feb 27, 2012 | 2005 Dodge Ram 1500

1 Answer

1998 ford ranger 4x4 4.0l 6cylinder automatic does


My friend this sounds like a catalytic converter problem. A number one symptom in the case of a "burned up" catalyst is loss of power or as you put it bogged down. Try disconnecting at the flange if not too much trouble or simply remove the O2 sensor downstream and see if pressure changes (old trick)

Jul 09, 2011 | 1998 Ford Ranger SuperCab

1 Answer

02 sensor heater circut malfunction


htr ckt malfunctions are mostly due to worn or faulty htr elements in ur sensor. i would first chek all ur fuses to make sure u even have voltage going down to ur o2 sensr, if they check out good then safe to say ur o2 sensr is faulty an should b replaced....good luck

May 01, 2011 | 2003 GMC Sonoma Extended Cab

1 Answer

Mazda 626 1999 model. These problems was noticed


unplug the postive side of battery then plug back by reseting the brain you can by pass most of them all because its reading what use to be problems.

Feb 22, 2011 | 1999 Mazda 626

1 Answer

Had local part store pull code. O2S heater CKT malfunction 1/1


This fault indicates a problem in the oxygen sensor heater circuit, bank 1 sensor 1.
Your vehicle is equiped with four oxygen sensors total. Two upstream and two after the catalytic conveter that monitor emissions and converter effeciency. The front sensor on the left (drivers side) bank requires replacement. The heaters are used to bring the sensor up to operating temperature sooner.

Feb 25, 2010 | 2002 Toyota Tundra

1 Answer

2001 corolla chack engine light on.


P0440= Evap Control Sys Malfunction
P0441= Evap Control Sys Purge Flow Fault
P0446= Evap Control Sys Vent Ckt Malfunction

Mar 30, 2009 | 2001 Toyota Corolla

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