Q: Used a OBD II and it came up as P0302 and it has check engine light on, trans temp, OD Off what does all this mean ?

Arming the anti-theft system is very easy. All you have to do is lock the vehicle with the remote keyless entry (RKE) transmitter. 30 seconds after the RKE transmitter has locked the vehicle, the anti-theft alarm system will be armed....

Hi there. The symptoms you're describing with your boyfriend's 2002 Grand Cherokee appear to be related to a broken or worn out ignition switch (https://www.yourmechanic.com/services/ignition-switch-replacement) or relay (https://www.yourmechanic.com/services/ignition-relay-replacement). The ignition switch on the inside of the steering column is attached...

Hello, thanks for writing in. It sounds like the heater core and radiator core may be partly clogged. Have the flow through the radiator checked using a laser pointing temperature probe. If you find the radiator flow through the cores...

Hello and thank you for contacting YourMechanic. What seemed to happen is either a coolant hose or your radiator blew out coolant. This is why you were seeing steam coming from under the hood (https://www.yourmechanic.com/services/smoke-from-engine-or-exhaust-inspection) and why you saw something...

You may be feeling the steering moving back and forth since you have both tires off the ground. Try to only have one tire off the ground at a time and see if you still feel the movement. If you...

Engine misfires can be caused by a list of problems, but there are a few suspects that occur more than others. Generally, misfires are caused by either a spark or fuel issue or in cases, a combination of both. Spark...

Hello - the symptoms you describe are most likely caused by a loose or worn out shifter cable (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-shift-selector-cable). It may have even become disconnected on the transmission end of the cable. I recommend a shifter cable replacement (https://www.yourmechanic.com/services/shift-selector-cable-replacement) performed...

The heater is a "heat exchanger" just like your car radiator. If the car is running hot and you blow air over the heater "core" in the passenger compartment you, in effect, increase the cooling capacity of the car's cooling...

Load test the vehicle battery (https://www.yourmechanic.com/services/battery-is-dead-inspection). Sometimes when a battery is on the verge of failure, the resulting voltage drop "fools" the vehicle alarm system as this voltage drop is interpreted by the computer as tampering. If the battery passes...