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Anthony, ASE Certified Technician
Category: Jeep
Satisfied Customers: 11751
Experience:  ASE Master Automobile Technician with over 20 years exp. in this field.
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Just replaced TPS on my 2000 Cherokee Laredo 4.7L smoothed

Customer Question

Just replaced TPS on my 2000 Cherokee Laredo 4.7L smoothed out the idaling perfect, did a scan, no codes found and the CAT , EVAP, HTR,O2S are incomplete so I need to drive it for the required cycles however the AIR, EGR, HCAT say N/A ? Is that normal or has the previous owner disabled them
Submitted: 2 years ago.
Category: Jeep
Expert:  Anthony replied 2 years ago.
Hello! Thats absolutely normal when you change a sensor. You just have to drive it more and the monitors you see not ready will get ready and be fine.