Several diagnostic codes referred to oxygen sensor problems that caused the check engine light to go on and off on multiple occasions which eventually lead to the vehicle misfiring, which lead to multiple diagnostic codes and loss of power, unburned fuel, and stalling. It was learned that the manufacturer put the wrong oxygen sensor on the vehicle, oxygen sensors were installed with incorrect parts which could cause engine to lose power or stall, increasing the risk of a crash or fire due to unburned fuel from one or more cylinder misfire.
2004 Jeep Grand Cherokee fuel system complaints
Page 3 of 3: complaints 41 to 44 of 44, newest first, as owners wrote them.
Tl* - the contact stated that while parking the vehicle the fuel line disconnected and leaked gas. The vehicle was towed, and the dealer who replaced the fuel line. A few weeks later the vehicle was diagnosed as having a cracked fuel line. The dealer stated that the vehicle has been repaired. The contact iwasconcerned with the safety of this vehicle. The contact has not picked up the vehicle from the dealer, and stated that the dealer refused to speak to her.
This is a little outof your normal schope; however, I think the potential is clear. Our 2004 jeep was rearended and the fuel tank was involved. The plastic tank had to be replaced. Our insurer, state farm refused to replace it with a new tank, instead insisting on using a used tank from wrecked jeep. The tank recieved no testing other than a visual from the junk yard. The quality of the attachment points on the tank recieved no close inspection other than visual
Engine would stop running at idle. *ph the dealer placed a co-pilot on the computer, however it shorted out, consequently the dealer had no idea as how to fix the problem. The gas mileage on the vehicle was poor.
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