Ask Car Mechanic

Max Smith

What Happens When Cam Phasers Go Bad?

Cam phasers are a component included in various engines, helping them run efficiently, especially at low rpm. However, cam phasers are prone to some issues. So what happens to car engines when cam phasers fail to function properly?  When cam phasers go bad, they can cause damage to the Variable Camshaft Tuning (VCT). Such an … Read more

Can You Mix Green and Red Antifreeze?

Odds are you don’t spend a ton of time thinking about your car’s antifreeze, but having the right amount and the right type of antifreeze in your vehicle is important to ensure that your car runs correctly. The various types of antifreeze available have significant differences in terms of their chemical composition, and it’s usually … Read more

Bad MAP Sensor Symptoms

Modern cars are loaded with tons of computers, sensors, and other electronics. When everything is working correctly, these modern electronics can make driving your car far more convenient and efficient. However, many of these electronic components rely on one another to function properly, and if one of them goes bad it can severely hinder the … Read more

Why AC Compressor Runs, But Won’t Take Refrigerant?

Usually, recharging your car’s A/C system is a pretty simple procedure. You turn on your car’s A/C system so that the compressor is running, attach a can of refrigerant to the system’s low-pressure service port, and fill the system with refrigerant until it reaches the right pressure. However, sometimes you may find that even though … Read more

GMC Bad Throttle Position Sensor Symptoms

Modern vehicles are equipped with all manner of different sensors to assist with driving. When all of these sensors are working well, you won’t even notice it, but if even one of the more obscure sensors stops working, odds are it’ll result in some pretty obvious symptoms. You might not think about your throttle position … Read more

Why Speedometer Is Not Working and Transmission Is Not Shifting?

Imagine you’re driving along and all of a sudden your speedometer stops working and your transmission refuses to shift gears correctly. In such circumstances, you might think that some kind of catastrophic failure has happened in your car. However, the actual cause of the problem is likely not too serious. If both your speedometer and … Read more