Back to 1997 Volvo 960

1997 VOLVO 960

2.9L I6FWDAUTOMATICgas
Repairs0Labor469Torque2454Fluid6DTC626Battery0Maintenance0Recalls0
P0153moderate severityPowertrain

O2 Sensor Circuit Slow Response Bank 2 Sensor 1

on 1997 Volvo 960 2.9L I6 · FWD

What this code means

The upstream O2 sensor on Bank 2 is responding too slowly.

Symptoms

  • Check Engine Light
  • Poor fuel economy
  • Failed emissions

Common causes

  • Aging sensor
  • Contaminated sensor
  • Exhaust leak

Diagnostic steps

  1. Monitor switching rate
  2. Check for leaks
  3. Test response time

Repair notes

Replace O2 sensor.

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 →