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L4-2.8L

Hello. Engine misfires can be caused by a wide variety of issues. If you have already replaced the coil and plug for that cylinder then the next thing I would look at is the injector. If the cylinder 4 injector...

This is a code that pertains to the heater side of your oxygen sensor (https://www.yourmechanic.com/services/oxygen-sensor-replacement). The heater is required to raise the temperature of the sensor so that it can operate properly. Simply unplugging relays/fuses will not keep the code...

The crankshaft damper may have a loose bolt and is what's causing the lower timing chain gear to be loose. The gear pin may shear and cause the no start or loss of power. However, if this is not the...

Sounds like you have a code P0128. The computer monitors the warm up cycle of your engine -- it looks for your coolant temperature to rise to a certain level within a given time frame. The computer does this because...

Hey there. The tapping noise you are hearing is most likely the air circulation door actuator. There is a separate actuator for the mode door position. The mode door directs the air out the various vents on your dash and...

Yes, the anti-theft could disable the engine given the right circumstances, however, I would recommend checking some other basic functions first such as fuel pressure since you are getting fuel from the pump but not to the rail. This is...

Hello. It is very possible that the larger wheels and tires that you put on your vehicle are causing the traction control to go off. The traction control is designed to work with the tires that came with your Jeep...

The head gaskets failing could indeed cause this issue. Some ways to figure out if the head gasket is bad would be evidence of internal leakage of oil or coolant via pressure tests and compression tests. If the head gaskets have...