Question about 2001 Chrysler Town & Country

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Where do i put an o2 sensor heater circuit at

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  • Chrysler Master
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Hi Donnell, The oxygen sensor is located in the exhaust manifold. Regards John

Posted on Jan 06, 2013

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Hi i have a 2002 ford ranger and it has teas codes P0446 P0135 P0141 P2195 P0403 P0171


P0446: EVAP System Vent Control Circuit http://www.autocodes.com/p0446_ford.html

P0135: O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
P0135 Ford O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1

P0141: O2 Heater Circuit Bank 1 Sensor 2
P0141 Ford O2 Heater Circuit Bank 1 Sensor 2

P2195: Oxygen Sensor Signal Biased/Stuck Lean - Bank 1 Sensor 1
http://www.autocodes.com/p2195_ford.html

P0403:Exhaust Gas Recirculation Control Circuit http://www.autocodes.com/p0403_ford.html

P0171: Fuel Injection System Too Lean Bank 1 http://www.autocodes.com/p0171_ford.html

Nov 15, 2016 | 2002 Ford Ranger

1 Answer

CODES P0031 AND P0051 A/F RATIO HEATER CIRCUIT low have no batt voltage at sensors can't find any blown fuses any idea 04 toyota sequoia


You will need wiring diagrams, to find components
and diagnose the problem

You have 2 O2 Sensor Codes-- for Heater issues

I would look for an O2 Relay, for the heaters, once
you have a diagram to work with

Battery voltage will be to the heaters only

Don't put your meter on the black sensor
wire, you may ruin the sensor, by loading the circuit

Just work the 2 white heater wires on chassis
side, for the 12 v

Unplug the O2 Sensors, and probe the harness heater
wires only, until you get your 12v back

Feb 23, 2011 | 2004 Toyota Sequoia

2 Answers

Check enegine light stay s on all the time, here are the codes im getting, if someone could tell me how to fix these that would be great. p0155 p0141 p0136 p0443 p1451 p0135 p0161 p1409


P0155: O2 Sensor heater Circuit Malfunction (bank2 ) Sensor 1.

P0141: O2 Sensor heater Circuit Malfunction (bank1 ) Sensor 2.

P0135: O2 Sensor heater Circuit Malfunction (bank1,Sensor1)

P0136: O2 Sensor Circuit Low voltage (bank1) Sensor 2.

P0443 : Evaporative Emission control System Purge control valve.

P1451: Eavporative Control System Canister vent solenoid Circuit Malfunction.

P0161: O2 Sensor Circuit Low voltage (bank2,Sensor2)

P1409: Electronic Vacuum Regulator (EVR) control circuit malfunction.

change the O2 sensors first,Then check the the EGR Vacuum regulator for any Malfunction. Good luck

Jan 14, 2011 | Ford Mustang Cars & Trucks

1 Answer

Po147


P0147 - 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3)

O2 (Oxygen) sensors contain a heating element that allows the sensor to reach operating temperature quickly. This lowers emissions since it allows the engine to reach closed loop faster and also allows the engine to stay in closed loop at idle. The heater circuit is supplied a 12 V battery feed from the PCM or ignition circuit (depending on model) and a ground. The PCM (powertrain control module) monitors how long it takes for the sensors to become active after engine start-up. If it takes too long for the o2 sensors to reach operating temperature, this P0147 can set.

Symptoms: For this particular o2 sensor, there may be no noticeable symptoms other than:
* MIL (Malfunction Indicator Lamp) illumination
* Poor/ rough idle

Causes: Potential causes of an P0147 code include:
* Bad o2 sensor heater circuit
* Bad o2 sensor
* Wiring harness problems

Possible Solutions: Unplug the Bank 1, 3 sensor. With KOEO (key on engine off) use a voltmeter to check for battery voltage present at the o2 sensor connector (PCM side). (You can also do this with a test light. Connect to ground and touch lead to heater circuit supply. Light should illuminate with KOEO) You should have battery voltage present.

a. If voltage is present, check the ground side of the heater element also making sure a good ground is present. If it is, check for any faulty connections & then replace the o2 sensor. If you don't have a good ground, then there is an open in the ground circuit somewhere that will need to be repaired. Look for wiring harness contact with exhaust components or broken/missing connectors, etc.

b. If battery voltage isn't present with KOEO, check for a blown fuse supplying the heater elements. You may need to get a wiring diagram for this. If the fuse is blown, you'll need to check for a short to ground on the battery supply circuit before replacing the fuse. If you find none, and replacing the fuse re-establishes battery voltage at the o2 sensor connector, then the o2 sensor may have shorted internally, blowing the fuse. Replace it & recheck. (NOTE: it's possible for an o2 sensor's heater circuit to be open/shorted and the o2 sensor to still function).

c. If you have no battery voltage present with KOEO and there are no blown fuses supplying the heater circuit, then check for an open on the supply circuit. You can do this by ohming the circuit with the o2 sensor unplugged and the PCM unplugged. Repair and recheck.


Hope helps (remember to rate this answer).

Dec 31, 2010 | 2000 GMC Jimmy

2 Answers

Code error number p0135


P0134....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)


P0135....O2 Sensor Heater Circuit (Bank 1 Sensor 1) heater in the O2 sensor has packed up first sensor before the cat

Nov 27, 2010 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Hur byter jag växellädsolja på


160....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)

P0161....O2 Sensor Heater Circuit (Bank 2 Sensor 2)

P0162....O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)

P0163....O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)

P0164....O2 Sensor Circuit High Voltage (Bank 2 Sensor 3)

P0165....O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)

P0166....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)

P0167....O2 Sensor Heater Circuit (Bank 2 Sensor 3)

P0168....Fuel Temperature Too High

P0169....Incorrect Fuel Composition

P0170....Fuel Trim (Bank 1)

P0171....System too Lean (Bank 1)

P0172....System too Rich (Bank 1)

P0173....Fuel Trim Malfunction (Bank 2)

P0174....System too Lean (Bank 2)

P0175....System too Rich (Bank 2)

P0176....Fuel Composition Sensor Circuit

P0177....Fuel Composition Sensor Circuit Range/Performance

P0178....Fuel Composition Sensor Circuit Low Input

P0179....Fuel Composition Sensor Circuit High Input

P0180....Fuel Temperature Sensor A Circuit

P0181....Fuel Temperature Sensor A Circuit Range/Performance

P0182....Fuel Temperature Sensor A Circuit Low Input

P0183....Fuel Temperature Sensor A Circuit High Input

P0184....Fuel Temperature Sensor A Circuit Intermittent

P0185....Fuel Temperature Sensor B Circuit

P0186....Fuel Temperature Sensor B Circuit Range/Performance

P0187....Fuel Temperature Sensor B Circuit Low Input

P0188....Fuel Temperature Sensor B Circuit High Input

P0189....Fuel Temperature Sensor B Circuit Intermittent

P0190....Fuel Rail Pressure Sensor Circuit

P0191....Fuel Rail Pressure Sensor Circuit Range/Performance

P0192....Fuel Rail Pressure Sensor Circuit Low In put

P0193....Fuel Rail Pressure Sensor Circuit High Input

P0194....Fuel Rail Pressure Sensor Circuit Intermittent

P0195....Engine Oil Temperature Sensor

P0196....Engine Oil Temperature Sensor Range/Performance

Nov 20, 2010 | 2004 Volvo S80

3 Answers

Reccieved P0141, P0147, P0340 as emission diagnostic trouble codes. What do these mean?


P0141....O2 Sensor Heater Circuit (Bank 1 Sensor 2)

P0142....O2 Sensor Circuit Malfunction (Bank 1 Sensor 3)

P0143....O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)

P0144....O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)

P0145....O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)

P0146....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)

P0147....O2 Sensor Heater Circuit (Bank 1 Sensor 3)

P0340....Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)

Sep 20, 2010 | 1997 GMC Sierra

2 Answers

What the sytoms of a clogged catalic converter?


Classic symptoms of a plugged catalytic converter. You may also have a check engine light, with these codes:

P0160 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
P0161 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
P0162 O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)
P0163 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
P0164 O2 Sensor Circuit High Voltage (Bank 2 Sensor 3)
P0165 O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)
P0166 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
P0167 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)

or simply:

P1484 Catalytic Converter Overheat Detected A catalyst overheat condition has been detected by the catalyst temperature sensor

With the symptoms you are describing though, 99% sure that will be it.

Many times a "clogged" catalytic converter is actually a broken one. Inside the unit, there is a honeycomb-like structure that aids the converter in superheating the exhaust fumes, which cuts down significantly on emissions. Over time, this honeycomb structure can get brittle and crack or chunk off inside the unit, which will impede the flow of exhaust. For this reason, many times a clogged or broken catalytic converter will rattle or make vibrating noises when the engine is given gas.

Jun 01, 2010 | 1998 Chevrolet Blazer

4 Answers

Engine light poo38


That is the oxygen sensor on bank 1 down by the cat converter.

Oct 21, 2009 | 2004 Jeep Liberty

1 Answer

More 99 cougar problems


there is a fuse for the o2 heaters if one of the sensors blew the fuse they will all be out

Feb 14, 2009 | 1999 Mercury Cougar

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