Update - Replaced O2 sensors, drove for approx 50-75 miles and light went off, was able to pass inspection, also found out I had a belt broken in my front left tire that was causing the shaking when I approached 55 mph - replaced all 4. Disco is running like a champ now.
Mike - Thanks a million...
Update - I put 58 miles on it after replacing the spark plugs and clearing the codes, until the service engine light came on. I rechecked the codes and there is only one showing now - P0135 MOD $12 Oxygen Sensor Heater Bank 1 Sensor 1. Could this possibly a fuel cap issue? I refueled at approx...
Mike, I cleared the codes and took it out for a drive, so far the check engine light hasn't come back on. Will drive it more Friday and see what happens. Thanks for your help and will keep you updated.
Last month I bought a 2003 Discovery II with 106,000 miles that is in immaculate condition inside and out. Within a few hours the check engine light came on, so I had the codes read. I began searching the forum for possible fixes but I’m completely lost. First thing I did notice on the vehicle...
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