The old O2 sensor didnot give me check engine light.But the new one did it twice then turns off when I park re-star my truck again. Any advice what can I do ??? A friend of mine told me BOSCH works better with european car. He says I should get a nipondenso instead. I just changed the old O2 sensor cause black smoke problems.
Replaced O2 sensor for a bosch new one. Since then i've got check engine light. on 1990 Mazda B2200
by juancarloslax in Sun Valley, CA on September 10, 2012
1 answer 2 comments
ANSWER by globalhelper , September 11, 2012
it could be a defective sensor or the wires are burn't on exh. bosch is a good sensor. is it the right one for that car?
COMMENT by juancarloslax , September 11, 2012
yes...it is the right one, it has only two wires (gray and black) same colors as my old sensor.Dont know what to do.
COMMENT by globalhelper , September 12, 2012
you may have a circuit issue instead of a sensor issue seek help from your mech