Quote:
Originally Posted by haz
I'm considering vacuum leak also. How do I check the AOS? No, this problem arrived friday and only when warm.
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When the engine has warmed up, try removing the oil filler cap. If it does not unscrew and remove easily then the AOS is not working as should. Then replace it. Are there any codes being thrown?
I usually work backwards...put the MAF back on and see if it has the same problem. If not then put the new back on and make sure it is seated correctly...you also could have a bad part.