answersLogoWhite

0

Heated Oxygen Sensor Control Circuit (Bank 1 Sensor 2)


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 2, O2 sensor
Replace PCM if circuit has failed and no wiring issues present, good O2 sensor

User Avatar

Wiki User

11y ago

What else can I help you with?

Trending Questions
What causes battery drain in a 2005 Chrysler Town and Country? What is the name of the box called under the dash for the ac that open an close the vents on a 2001 grand marquis? Will a 2000 model Chevy 4L60E transmission work in a 1994 Chevy with a 4L60E? What will cause a 1994 Chevy S10 Blazer not to start when the engine is cold battery and starter are good motor turns over everything is firing good if you put gas in the intake it starts up runs fine? Dodge stratus 1995 2.5L v6 will start but shuts down when the engine gets hot.Turn key to on but no check engine light come on. Must wait for engine temp to get cold before cel and restarting? Why the starter and fuel pump fuse blow in a 2002 Chrysler sebring? Can you put a turbo from an 1991 XR2 Capri to a 1993 Mercury Capri? What is the firing order for a 99 f150 4.2? What is the best spark plug Pulstar Conventional platinum Denso Iridium? How much does a 1984 K5 blazer weigh? What is the most powerful small block Chevy ever? How do you replace the thermostat located on a 1991 Chevy Cavalier? Where is Knock sensor location on 1992 s-10 2.8 liter? How do you install AC compressor for 1985 Cadillac devilled? Why does your coil pack keep blowing? Where are the casting numbers located on a dodge 387 4.7l engine? Your 1995 dodge avenger v6 dies when stopping or will idle extremely low like 100 rpm's why help? What is the towing capacity 1978 Jeep Cherokee? What is the firing order for a 6 cylinder 1992 Chevy Lumina Van 3 point 1 liter for spark plugs and distributor cap? Is there an S10 Durango dually?