Q: faulty ignition coil

Climate control and air conditioning (https://www.yourmechanic.com/article/what-is-the-difference-between-climate-control-and-air-conditioning) are terms that are very often used interchangeably. These two systems are related, but they are not the same. The climate control system is used to achieve and maintain a temperature inside a vehicle...

It is common for a bad connection in the starting system to cause problems such as this. When you add the battery charger, it give it a little extra boost in voltage. Just enough to overcome the high resistance. The...

The seized emergency brake will cause the rear brakes to be either partly or fully engaged which will cause the brakes to drag. When this happens it creates slow acceleration and possibly a knocking noise from the dragging brakes or...

The EGR valve is a small component designed to allow the flow of exhaust gases into the intake manifold in controlled amounts. As such, it's a simple valve that closes and opens as needed. The EGR valve has one single...

Hi there: This is exactly what we do at YourMechanic.com - arrive to your location and complete inspections, repairs and routine service on most domestic and import cars, trucks and SUV's. Simply contact our sales team by filling out this...

Hello - to be sure, a leaking valve cover gasket (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-valve-cover-gasket) that is allowing oil to leak onto the plugs, plug boots or coils, will cause misfire issues, and uncertain engine starting performance. I recommend a car is not starting...

Hello, thank you for writing in. A squealing noise typically happens because there is a vibration between the pad and the rotor. This is likely pertaining to the caliper that moves the brake pad back and forth. While they may...

Vibration at idle is due to either faulty motor mounts or an engine management issue such as faults in the ignition or fuel system, although on high mileage engines uneven cylinder compression can be a cause. You note loss of...

The computer may limit engine power if it detects a system problem. You will need to have the computer scanned for codes stored in memory to see what has caused the loss of power and acceleration. You may have a...