Q: no fire on number 4 injector

The security chip is designed to keep your vehicle from starting without the owner's key. Unfortunately, you will need to obtain a key (https://www.yourmechanic.com/article/how-to-replace-a-car-key) with a chip and have it programed to the vehicle. A mobile locksmith may be able...

Rubber degrades over time. Your tires are constantly exposed to the atmosphere, o-zone, etc. The rubber goes through constant heating and cooling cycles causing the rubber to get harder and eventually crack. As a rule of thumb, for safety sake,...

Hello. The first thing that I would do is to find out if the dealer has any technical service bulletins (https://www.yourmechanic.com/article/how-to-use-a-technical-service-bulletin-by-parker-hill) relating to your current problem. If there is a technical service bulletin related to your problem, you may be...

Hi, thanks for writing in. I'd be happy to provide my insight. You do not automatically need to replace the brakes with the master cylinder. When facing brake issues, always do a full inspection. Brakes are such a critical safety...

This sounds like you may have a faulty starter solenoid. The starter solenoid is located on the starter and has internal electrical contacts that transmit electricity to the starter. When this fails, it may cause a clicking sound and will...

This may be a sign of a weak battery, a failing voltage regulator or failing alternator. As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while...

The problem is caused by a short in the turn signal switch. Replace the turn signal switch.

The charging system light may be computer controlled on some vehicles or controlled by the instrument cluster circuit or the alternator output. We would need your vehicle year, make and model with engine size to give a better diagnosis for...

The oil pressure light will usually come on when a few things could be happening. Either the motor is in fact low on oil, the oil pump could be failing or not pumping oil sufficiently or the oil pressure sending...