i have a 98 jeep grand cherokee v8 5.2 it bucks and loses power could that be...

[hunterdave3701]

...a 02 sencore? ihave a 98 jeep it bucks and looses power could the be a 02 sencore its a 5.2 v8

 

[pgnprincess1212]

O2 sensor.......Or Idle air control motor......Been there....a couple times.

 

[HenryB]

check the cat. or plugs.