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Discussion Starter · #1 ·
So I'm driving down the road today and suddenly, the engine starts shuddering as I press on the throttle. My parts house plugged in the engine fault code reader and it said my #1 cylinder was misfiring and the O2 sensor (right side, lower) was showing error as well.

It pains me to admit it but I haven't changed the spark plugs against the firewall (97,000 miles). Hoping that does the trick. Has anyone here ever changed the O2 Sensor? I haven't seen any posts about it and the Haynes manual is a joke.

Thanks, -Dave
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