check engine light stays on.havecodes poo16 and poo73. on 2008 Mazda Mazda6

camshaft sensor,crankshaft sensor replaced these code,erase ,reset computer. light stayed off 2hrs. and came on again,HELP@! I NEED AN INSPECTON STICKER A.S.A.P

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1 answer
Find out WHY computer says these parts need to be checked.
Circuit check,a code does not mean that sensor is causing problem.