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Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L (GPEC 5) - DTCS P1524 To P2099 >> DTC Troubleshooting >> P2096-Downstream Fuel Trim System 1 Lean >> Possible Causes

Possible Causes

Possible Causes
EXHAUST SYSTEM LEAK
UPSTREAM O2 SENSOR WIRING ISSUE
UPSTREAM O2 SENSOR
DOWNSTREAM O2 SENSOR WIRING ISSUE
DOWNSTREAM O2 SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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