LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (5.7L - DTCS P1496 To P2166) >> DTC Troubleshooting >> P1E09-Closed Loop Fueling Not Achieved - Bank 1 Downstream >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
POSSIBLE CAUSES
FUEL DELIVERY SYSTEM
MAP SENSOR, WIRING, OR CONNECTORS
DOWNSTREAM O2 SENSOR, WIRING, OR CONNECTORS
ENGINE MECHANICAL SYSTEM
POWERTRAIN CONTROL MODULE (PCM)

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