I have change the o2 sensor and the air control valve, It will not pass emmissions inspection. What do i do.
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1996 Mazda B2300 Question: what is the manufacturer code P 1506
Answer #1patrick mannion from Greg Solow's Engine Room, February 21, 2011, 19:39Master
The Check Engine light is a yellow light on the dash which should illuminate when the ignition key is turned on and go out a second after the engine starts. It is usually a yellow outline of an engine, some car manufactures make it confusing and just have the words "Service Engine Soon"