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Help: check engine light on.
Hi
My Altima (1995) check engine light went ON from last year. I didn't try to fix it because it still runs well. But this month I must do it because of smog check can't pass ...
The light went ON after the O2 sensor (rear one) drop from the pipe (The car from East so the pipe is damaged badly) . I inserted the O2 sensor back to the pipe, and nothing goes wrong expect the Check Engine Light is On.
These days I went to mechnics and he checked it and found two codes:
P0352: Knock sensor
P1400: EGR & Canister Control Solenoid Valve
He fixed the first problem by replace knock sensor and clear the codes. But after I drove about 10 minutes (local), the light went on again. He checked the valve and solenoid and said they are right. But it happed again after I driove 20 miles (highway).
Really appreciate any information ....
-Frank
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