Q: mass airflow sensor

A dirty rearview mirror is not only a nuisance to drivers, but a potential hazard. Do not spray any chemicals or glass cleaner directly onto the mirror. Instead, spray a gentle glass or household cleaner onto a soft, clean, damp...

A lack of acceleration could be caused by multiple issues. Such as failing spark plugs, failing spark plug wires, failing ignition coils, clogged fuel filter, failing fuel pump, clogged injectors, or possibly even a mechanical issue such as damaged valves...

You should check to see where exactly the smoke is coming from, it would be helpful to know for this diagnostic. As for why your truck won't go into gear, I suspect you have a transmission fluid leak and it...

It sounds like you may be having an issue with the starter solenoid or the starter relay (https://www.yourmechanic.com/services/starter-relay-replacement). The relay is overload protected, so if the system is trying to pull too much amperage, it will shut down. Also, if...

Hey Chris. If the clutch is slipping and the components are brand new, it's more likely that it's either not properly adjusted, or the pressure plate is not correctly installed. We have a pretty good article that explains the process...

If you delete the proportioning valve, too much brake line pressure will be directed to the rear brakes, and too little to the front, thus possibly causing the rear brakes to lock up with loss of control of the vehicle....

Hi Elaine. Thanks for contacting us tonight. Sometimes after a power steering pump is installed, reduced pressure inside the hydraulic lines will build, which can create the symptoms you're experiencing. IIn other cases, low power steering fluid levels can cause...

If the camshaft position sensor waveform output is abnormal (as viewed on an automotive scope), that can cause misfiring but such must first be confirmed by actually testing the sensor especially as there are many, many causes of misfiring and,...