Thread: P0420 CEL ON!
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Old 07-31-2014, 02:14 AM   #6
bazar01
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Quote:
Originally Posted by hotmilk400 View Post
You dont need to do a full tank of gas, you only need to do a drive cycle. google it, you will save yourself a tank of gas.

It's probably the reason your cars CEL did not come back on right away. A drive cycle is about 50 miles in an ideal situation.

Anyway, Good luck. If your other air mass sensor is no good, let me know. I can let you barrow mine to pass the inspection or sell it cheap or something.

Not sure if this will help: http://www.318ti.org/forum/showthread.php?t=35885
Great. Thanks.

Found this document online.
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Last edited by bazar01; 07-10-2017 at 01:43 PM.
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