I have a 1999 Lexus e300 check engine light comes on runs rough then goes off runs fine. TRook it in to the shop changed cyl 1 and 3 egn coil 3 months later same thing could it be the computer?
The check engine light comes on, the cars runs rough, then the check engine light goes off the car runs fine. Took it to the shop and they changed 1 and 3 coils, worked fine for two months then the same problem. Could it be the computer?
no, it wouldnt be the computer. Possibly a oil control valve that adjusts timing for bank 1. Those commonly fail.
I have the same problem with a 1999 RX300. Did you ever find a solution?
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