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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
What else can I help you with?
Is there a diagram of the braking system for a 2002 Chevy Tracker?
Yes in the factory repair manual or possibly online
What kind of gas mileage does a 2002 Chevy Tracker get?
I have a 2002 Chevy tracker and it gets anywhere from 28 to 25 miles to the gallon.
How do you replace the starter on a Chevy Tracker?
how many mounting bolts hold 2002 chevy tracker starter in place
How do you change alternator on 2002 Chevy Tracker?
with tools.
How do you stop an 2002 Chevy Tracker from jerking when put it in reverse?
no
What type of freon does a 2002 Chevy Tracker take?
R-134a
How do you check engine rpm on a 2002 Chevy Tracker?
with a rev counter
Why is your electrical system on your 2002 Chevy Tracker pulsating?
The alternator is failing.
Fuse box in Chevy Tracker 2002?
The fuse box of a 2002 Chevy Tracker is located under the dash, near the hood release. It contains many important fuses which protect the vehicle's electrical systems.
How many miles per gallon does a 2002 Chevy Tracker get?
20/23
Where are the fuses located on a 2002 Chevy Tracker?
Under the dash left of steering wheel
What type of oil does a 2002 Chevy tracker take for the 4 wheel drive?
5w30
