Q: Service A light appeared

Using the right engine oil is vital – the wrong weight (viscosity) can cause any number of problems, ranging from premature wear and tear to low fuel economy. The only weight oil your car should use is 0W-20. You can...

Hi there. If you cannot retract the caliper pistons when replacing the brake pads then you may have a master cylinder failure (https://www.yourmechanic.com/services/brake-master-cylinder-replacement) that is holding pressure in the braking system. If you have already replaced the pads and put...

Hello. This is a common problem in both Chevrolet and GMC trucks and SUVs of that year. The safety system requires pushing on the brake to start the vehicle, so the problem is likely that the brake switch on the...

Hi there. The PCV valve for this particular model is built into the hose assembly. The hose is a larger hose that connects to the intake plenum and runs to the rear valve cover, you can't miss it as it's...

If the oil level is low, oil should be added until the level reaches the full mark on the oil dipstick (no higher though). Adding oil to the full line on the dipstick will give you a safety margin just...

Hi There, Your maintenance intervals can be found here: http://www.aboutautomobile.com/MaintenanceSchedule/2006/Infiniti/QX56, which will indicate the recommended service schedules for your vehicle. These will tend to vary based upon how many miles per month you drive. This will also vary in terms...

Nothing should be replaced until you have in hand a definitive diagnostic pinpointing the faulty segment of the car's electrical system. There may be too much voltage drop in the charging circuit, as well as elsewhere, but start with the...

The factory brake pads do have a noisemaker tab that scrapes the brake rotor when the brake pads reach replacement thickness. It's pretty loud, so if you just have a mild squeaking that might be something else. At 80 K...

Hi Joel. What you are describing is typically an indication that your Jetta has entered what's called a "limp mode". This happens when the ECU detects a problem with the transmission. It activates a fail safe mode to restrict the...