Q: I was told I need the front valve gasket replaced. My truck has stalled upon start attempt. Could the gasket issue cause this? Oldsmobile

Hello, there are multiple possibilities for a no start condition. The first thing to check is that the base engine can be rotated by hand at the damper using ratchet and socket. Second is to check power at the starter...

The symptoms you describe definitely sound like a severe engine misfire. This is likely related to the coil since you have obvious signs of failure (arcing from the side). I recommend having a qualified technician, such as one from YourMechanic...

From the description provided for your Chrysler Pacifica, I believe that it needs a new ground wire on the battery. Corrosion on power or ground wires can reek havoc on any electrical system. Corrosion creates resistance and the result is...

The TPS and a scanner to test it is all that you need. The code P0122 (https://www.yourmechanic.com/article/p0122-obd-ii-trouble-code-throttle-pedal-position-sensor-switch-tps-a-circuit-low-input-by-jay-safford) points to the sensor but a through pinpoint test should be done to make sure the sensor is failing before you replace it....

With no information on the make and model of your vehicle, the information we can give you may or may not pertain to your vehicle. On most make and models, yes you can swap out the pulley by itself. You...

If the oil is not being consumed, it will turn black due to heat and carbon buildup. If the oil passages were dirty with carbon and other buildup, then the new oil acts as a detergent and will pick up...

Hello, thank you for writing in. The bank 1 camshaft position sensor is going to be located on the front of the engine. Most specifically it is going to be located right below the valve cover on the bank (or...

If your car is only 4-5 years old and the system is so low on charge that the compressor won't turn on, that means you have a significant leak. It might be a waste of time to re-charge the system...

You could have a restriction in the fuel supply system but there are other possibilities such as faulty sensor readings on air intake. Among common possibilities for loss of power are throttle body faults (electronic throttle controls, mass airflow sensor,...