
1999 Volvo V70 2.4L MIL Lamp on
Readings for front O2 sensor are good (lambda= .97), According to Vadis, rear sensor should go to above .67V after 5 mins, which it does, to .88V and holds steady. Under accel it mirrors the opposite of front sensor and then the code is triggered and MIL [...]...
FIX posted 1/22/2005
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Message Closed w/FIX
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VIN | YV1LW55A3X |
Engine | 2.4 L / 5 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sfi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
ECM22 | rear o2 sensor faulty signal invalid |
ECM91 | throttle signal faulty |
Message Closed w/FIX
Vehicle Data
1999 Volvo V70
VIN | YV1LW55A3X |
Engine | 2.4 L / 5 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sfi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
ECM22 | rear o2 sensor faulty signal invalid |
ECM91 | throttle signal faulty |