Q: Mass airflow sensor

While not all Fusions are equipped with the Park Aid system, if your car is, then you have an important tool for enhancing your safety. Simply put, the system is designed to give you an audible warning if it detects...

Hi there. Your smog check is measured as to how efficiently your vehicle is burning fuel and air. Smog is reliant on many different components. Your EGR valve, vacuum, and also your catalytic converter are factored potential factors. I would...

The vehicle may have a problem with the power relay (https://www.yourmechanic.com/services/ecm-power-relay-replacement) in the central junction box that powers the ignition and computer on the car. The relays and connections to the junction box will need to be checked if the...

Typically the "hot cam" engine lope is caused by restrictions in fuel flow at idle. Along with changing and inspecting the sensors and items you described above, most mechanics will clean the throttle body (https://www.yourmechanic.com/article/how-long-does-a-throttle-body-last) and fuel injectors as this...

Hey there. Odds are that the water pump (https://www.yourmechanic.com/services/water-pump-replacement) is leaking. I would have a technician pressure test the cooling system. It will push the coolant out from wherever it is leaking to help find the issue. Rule of thumb,...

Hi There, It sounds like you may have a vacuum leak or potentially a dirty or faulty idle control valve. High idle speeds or in some cases rough idle, stalling and hissing sounds are common signs of a vacuum leak....

Hello. I say it's a great idea to go ahead and get the extended warranty as well as the purchase protection plan that covers the wheels tires and etc. Mercedes are great luxury vehicles. They perform well and they always...

Hi there. That's very odd for a dealer repair to leave their shop with error lights appearing on your dashboard. The lights you've indicated are all related to either recommended service (the wrench) or the traction control system (squiggly lines...

Hi Cornelius. Thanks for contacting us today. The P-0420 typically has to do with the catalytic converter in your vehicle, but can be triggered by damaged by O2 sensors, exhaust manifold or exhaust pipe leaks, or wiring harnesses that relay...