Back to 2001 Acura Integra

2001 ACURA INTEGRA

1.8L I4 VTECFWDAUTOMATICgas
5 active safety recalls on this vehicle — view recalls
Repairs0Labor478Torque3841Fluid6DTC691Battery0Maintenance0Recalls5
P1162moderate severityPowertrain

HO2S Bank 1 Sensor 1 Circuit Fault

on 2001 Acura Integra 1.8L I4 VTEC · FWD

What this code means

An electrical fault detected in the upstream heated O2 sensor circuit.

Symptoms

  • CEL
  • Poor fuel economy
  • Rough idle
  • Failed emissions

Common causes

  • Faulty O2 sensor
  • Damaged wiring
  • Corroded connector
  • Exhaust leak

Diagnostic steps

  1. Test sensor voltage
  2. Inspect wiring
  3. Check connector
  4. Check for exhaust leaks

Repair notes

Replace O2 sensor or repair wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →