P0137 on Chevrolet Equinox
Factory diagnostic protocol and troubleshooting wire for fault code P0137 specifically for the Chevrolet Equinox (2020–2026, 1.5L Turbo 4-Cyl (LYX 175HP)).
1. Symptoms of P0137 on Chevrolet Equinox
When the Engine Control Module (ECM/PCM) on your Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP)) logs fault code P0137, drivers commonly observe:
2. Most Likely Causes on Chevrolet Equinox
Historical warranty claims and technical repair bulletins for Chevrolet Equinox point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Chevrolet Equinox
Listen for exhaust ticking or black soot around flex pipe, flanges, and sensor bungs before the catalytic converter. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Monitor B1S2 voltage. Snap the throttle to enrich mixture; voltage should briefly spike above 0.8V. If it remains 0.0V–0.1V, sensor is defective or shorted. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Unplug harness, remove old sensor with 7/8 socket, install replacement sensor and plug firmly. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Clear DTCs and verify B1S2 holds steady between 0.45V and 0.75V during steady highway cruising. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).
Equipment for Diagnosing Chevrolet Equinox (P0137)
Chevrolet Equinox OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Chevrolet Equinox.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Chevrolet Equinox
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chevrolet Equinox:
4. Chevrolet Equinox P0137 FAQs
What causes code P0137 to trigger on a Chevrolet Equinox?
On the Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP)), P0137 is most frequently caused by Exhaust leak upstream of or directly at the Sensor 2 bung letting in fresh air or Faulty downstream oxygen sensor.
Where is the OBD-II port located on my Chevrolet Equinox?
On the Chevrolet Equinox, the 16-pin DLC diagnostic connector is located Driver footwell above brake arm. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Chevrolet Equinox with code P0137?
Yes. Vehicle is fully drivable, but Check Engine Light will remain illuminated. Given that P0137 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.