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2006 Jeep Grand Cherokee Laredo 3.7L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to Chrysler Driveability on 8/1/2025 8 Replies

Hey everyone haven't been here in a while, hope everyone is staying healthy and doing well!! Hope I can start helping again. Here is my issue. This jeep came in running rich, bank one 1-3-5 cylinders are skipping. ok when I scan it and read data stream whi...

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car Vehicle Data

2006 Jeep Grand Cherokee Laredo

VIN 1J4GS48K06
Engine3.7 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P0305Cylinder 5 Misfire Detected
Open Help Request

car Vehicle Data

2006 Jeep Grand Cherokee Laredo

VIN 1J4GS48K06
Engine3.7 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P0305Cylinder 5 Misfire Detected