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
Wiki User
∙ 9y ago
Add your answer:
Earn +20 pts
How can you tell if an 02 sensor is bad?
The check engine light would illuminate and the code(s) set would lead you to which O2 sensor is at fault or why the sensor set the code.
How do you know if the 02 sensor is bad?
The check engine light would illuminate and the code set would help lead you to which sensor is at fault.
What is code C0040 on a 2006 GMC?
The code C0040 is related to the right front wheel speed sensor there is a fault from either obstruction on the sensor to detection ring(ie debris on sensor or ring surface) or it can be a bad sensor in need of replacement.
What is fault code p0031 for 2003 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 dopse fault code p1431 Renault laguna11?
Miss fire monitor disabled, unable to learn trigger wheel profile. Probably means the cam sensor is bad or intermittent, look for bad or loose connection, faulty sensor.
How do you know a oxengen sensor is bad on a 1984 cressida?
Any O2 sensor fault would store a code for it or for the fuel trim . you might also notice a drop in fuel mileage,poor performance.
Symptoms of a bad knock sensor?
There are no symptoms since the knock sensor doesn't do anything unless the engine is detonating, in which case it would do nothing and you would hear it. The knock sensor code is often tripped when there is a fault in something else since it's part of the same circuit. This is considered a "ghost" error code.
Which oxygen sensor should you change on your 1999 Chevy blazer back firing problems?
If it had a bad O2 sensor the "check engine" would be illuminated and a code would be set indicating which sensor is at fault. You probably have other problems causing that backfire to occur.
How do you check 02 sensor if is good or bad?
If it is bad the check engine light will come on and set a code for that particular sensor.
Nissan Micra k12 fault code P0132 juggering when driving?
p0132 O2 Oxygen Sensor Circuit High Voltage (Bank1, Sensor1). You have a bad oxygen sensor ( most likely ) and according to the code it is the forward most sensor on the bank 1 side of the vehicle. If you don't know which one that is have the parts store show you, it is the same sensor for both side bank 1, but different from sensor 2 usually.
What is PO191 cencor for a Chevy truck?
Fuel rail pressure sensor fault. Most usually an out of range fault caused by a plugged fuel filter, bad fuel pump or faulty sensor. (In that order)
Why do you still get a bad code for the knock sensor after you put a new knock sensor on your 1999 mercury villager but still get a bad code from the computer?
Because there is nothing wrong with it. This is a common code that can relate to a number of components. The knock sensor itself is rarely the problem.
