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Attempted to drive to work today, Z started "bucking", wont rev past 2500, stay under 2500 it goes OK, just top speed is severly limited!
Ran the codes, 12, air flow meter & I seem to remember reading here that's what happens when the MAS dies?

Grabbing the Jeep & headed to work. Assuming you folks agree I'll be ordering a new MAS. I checked the connections & they're nice & clean.

Thanks!
Lee
 

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Agreed, you're in safety mode. Check the MAF connector and verify connection and no corrosion. If that still doesn't work, then do as z-addict said and replace the MAF sensor.
 

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Was thumbing through the factory manual just last night , and the condition you mentioned was just what was mentioned above.

The "safety mode" for a shot MAF.

Sounds like you are on the right track.
 
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