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2004 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
Posted to Chrysler Driveability on 6/29/2012 21 Replies

Ok, this one really takes the cake. The computer thinks bank 2 is lean when in fact it is not, then the computer adds fuel for an extream lean condition that does not exist.

Here is what is happening, bank 2 s1 o2 reads ok at times, then the o2 sensor will go...

21 Replies Received (View Replies)

  Related Documents & Media  2004 Jeep Grand Cherokee Laredo

 
Message Closed w/FIX

car Vehicle Data

2004 Jeep Grand Cherokee Laredo

VIN 1J4GW48S84
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursUnder Load, Intermittently

Trouble Codes

P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2004 Jeep Grand Cherokee Laredo

VIN 1J4GW48S84
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursUnder Load, Intermittently

Trouble Codes

P0174Fuel System Too Lean (Bank 2)