2006 Jeep Grand Cherokee Laredo 4.7L No Start, Cuts out, Stall, Misfire, MIL Lamp on
Very hard start when cold, then start stall and will not take fuel on acceleration until warm - pops out of intake. Five spark plugs had the ground electrodes melted off and all eight plugs were white from heat. Will start immediately when cold with propane an...
FIX posted 1/7/2009
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Message Closed w/FIX
Vehicle Data2006 Jeep Grand Cherokee Laredo
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2006 Jeep Grand Cherokee Laredo
VIN | 1J8HR48P7C |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | No Start, Cuts Out, Stall, Misfire, MIL Lamp On |
Occurs | Cold |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |