I have a 1987 Toyota mr2 5 speed. The check engine light does not come on. The bulb is fine. Everything else running fine. Is there a fuse that could just affect this?
has it ever come on???
Just unplug the O2 sensor. That should make your CEL turn on.
It has been on in last 6 mos. I didn't notice that it wasn't turning on until it didn't pass smog. I will try O2 sensor and report back. Thanks.
Disconnected O2 sensor. CEL still doesn't come on. Also jumped T and E1 terminals and did not get any flashing codes. CEL still didn't light up. I'd appreciate more suggestions. Thank you.
Replace the bulb they do burn out.
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