
2002 Jeep Liberty Sport 3.7L No Start, Poor Idle Quality, Stall, Misfire
Vehicle will not start, if you can get the vehicle to start the vehicle will only run on cylinders 4,3,2. Cylinders 1,6,5 misfire. Firing order is 1,6,5,4,3,2. Tested ASD feeds to coils and all ck good. Lab scopped CMP and CKP sensor and got good square waves....
Summary posted 6/21/2011
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)17 Replies Received(Hide Replies)17 Replies Received
|
Message Closed w/Summary
|
VIN | K22W124395 |
Engine | 3.7 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | No Start, Poor Idle Quality, Stall, Misfire |
Occurs | Always |
Trouble Codes
P1391 | CKP Or CMP Sensor Signal Intermittent |
Message Closed w/Summary
Vehicle Data
2002 Jeep Liberty Sport
VIN | K22W124395 |
Engine | 3.7 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | No Start, Poor Idle Quality, Stall, Misfire |
Occurs | Always |
Trouble Codes
P1391 | CKP Or CMP Sensor Signal Intermittent |