Q: Running problems

Gas station fill nozzles are designed to shut off when enough back pressure is detected, usually an indication the tank is full. However if your tank is not venting properly, it can have the same effect. Your description would indicate...

A loose clip can allow moisture inside the connection and cause a headlight bulb to stop working, such as what you are experiencing with your Mazda 3. It is also possible that the clip came loose on its own due...

You need to have the fuel injection checked to see if the system has a fuel injection leak or a pressure regulator leaking. The fuel system, including the filter and pump lines, needs checking to see why you are smelling...

The best way to resolve misfires on your engine is to remove the ignition coil and the spark plugs on the affected cylinders. If the spark plugs appear to be in bad condition I would recommend replacing the spark plugs...

Unfortunately, there is not much that can be done to prolong the life of the catalytic converter (https://www.yourmechanic.com/article/how-long-does-a-catalytic-converter-last) as they are very expensive to manufacture, thus the high cost of replacement. In order for the converter to work effectively, there...

Hi there: The crankshaft position sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-crankshaft-position-sensor) on a six-cylinder Jeep Wrangler is going to be located behind the front motor plate, next to the timing chain/belt. Sometimes, however, the P0335 OBD-II error code (https://www.yourmechanic.com/article/p0335-obd-ii-trouble-code-crankshaft-position-sensor-a-circuit-malfunction-by-spencer-clayton) is not indicating the crank...

Hi there: You should contact your GMC dealership to ask about this, as their ONSTAR program and accessories are often tied into the ECU and could impact the overall operation of some security features on your Yukon. Cutting wires without...

Hi there. It sounds like you may have a serious issue starting with the engine. I would check the level of the oil first. If it is very low then that may be the cause of the noise. If the...

Hi there. If the error code they gave you was P-0340, this indicates that the problem is with the camshaft position sensor. The camshaft position sensor calculates the rotational speed of the camshaft and where the camshaft is positioned in...