answersLogoWhite

0

Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)

symptoms
Other than the MIL light illuminating you may not notice any performance issues.

cause
A short in the O2 sensor heater circuit or the sensor itself
A faulty O2 sensor heater
Wiring or connectors are broken or frayed to the sensor or relay
Bad PCM or ECM

The fix
Correct wiring short or loose connector found in inspection.
and/or
Replace the bank 1 sensor 1 O2 sensor

User Avatar

Wiki User

10y ago

What else can I help you with?

Related Questions

How do you turn off the check engine light on 2003 Toyota Tacoma?

Repair the problem that turned it on and then clear the code with an OBD2 scanner/code reader


Where is the oil drain plug on a 03 tacoma?

As a General rule the oil drain plug is located on the OIL PAN, Could be on the Left, Could be on the Right, it could even be in the Center. Sorry about the General Answer but there are Three different engines: 2003 TOYOTA TACOMA 2.4L 4-cyl Engine Code 2RZ-FE2003 TOYOTA TACOMA 2.7L 4-cyl Engine Code 3RZ-FE2003 TOYOTA TACOMA 3.4L 6-cyl Engine Code 5VZ-FE Good Luck and Remember.Change Your Mind, Not Your Oil.Use the First In Synthetic Motor Oil's.See My Bio For Information & Contact Details.


1998 Toyota tacoma engine code p0505?

Trouble code P0505 means: Idle Air Control System


What does the 1996 Toyota Tacoma diagnostic code p0302 mean?

Trouble code P0302 means:Cylinder 2 misfire detected


2002 Toyota Tacoma p1135 code?

Trouble code P1135 means: Air-Fuel Sensor Heater Circuit Response Malfunction


What causes p0420 code on 2002 Toyota tacoma?

Trouble code P0420 means: Catalyst System Efficiency Below Threshold (Bank 1)


Obd II code P0171 on a 1996 Toyota tacoma?

Trouble code P0171 means: Fuel System Too Lean - Bank 1


What is the zip code for Tacoma WA?

The zip code for Tacoma Washington is 98407.


How do you turn off the check engine light on a 1995 Toyota Tacoma?

You read the codes with a scanner, repair the cause, and clear the code with the scanner.


What is the airport code for Tacoma Narrows Airport?

The airport code for Tacoma Narrows Airport is TIW.


How do you repair p0031 engine code on 2003 Toyota Tacoma?

Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)symptomsOther than the MIL light illuminating you may not notice any performance issues.causeA short in the O2 sensor heater circuit or the sensor itselfA faulty O2 sensor heaterWiring or connectors are broken or frayed to the sensor or relayBad PCM or ECMThe fixCorrect wiring short or loose connector found in inspection.and/orReplace the bank 1 sensor 1 O2 sensor


What is code P0136 for a 2002 Toyota tacoma 2.7L?

Low voltage 02 Sensor bank 2.So :Faulty sensorPoor connectionDamaged or broken wire