Q: Will not idle correctly.

Hi there. It sounds like a coincidence that it started when the gas pedal was pressed. The most common issue on the Mazda 6 is the key itself. If the computer does not pick it up correctly, then it will...

The fuel filter (https://www.yourmechanic.com/services/fuel-filter-replacement) for your car is in the fuel tank. If you want to replace it, you will need to replace the fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement). It isn't regularly serviceable item anymore. As for the codes, the P0172 (https://www.yourmechanic.com/article/p0172-obd-ii-trouble-code-system-too-rich-bank-1-by-blake-griffin)...

This sounds like the heater core may be leaking. Typical symptoms of a leaking heater core: smoke/steam through the vents, sweet smell, fogging of windows. The heater core is typically located behind the dash. It is part of the heating/cooling...

A clogged catalytic converter will cause the performance of the engine to suffer. It will run rough, could begin to misfire or lose power, and the gas mileage will suffer. A clogged catalytic converter can also cause engine damage, and...

Have you had your alternator (https://www.yourmechanic.com/services/alternator-replacement) checked? Make sure the charging system is working correctly. Does the vehicle work after you jump start it? If the charging system checks out, the next thing is to check for a parasitic draw....

Hi there: In most cases if there is an issue with the security or anti-theft system on a vehicle that is causing the vehicle to not start it can only be repaired by the dealership for security purposes. However, it...

The back of most dashboards is an electrical relay, which supplies power to individual components inside the dash. If all of these systems are not functioning, it's possible that this electrical relay is damaged; or perhaps an electrical wire /...

Hello, thank you for writing in. Most commonly, this is caused by low transmission fluid or a failed up. Check the level and condition of the fluid, and if it is low, you may have a leak. You may also...

If the transmission is actually slipping, a replacement with a good unit should do the trick. But transmission problems can be complicated, especially with the current electronically controlled units, and diagnosis should be done by someone with experience in that...