Q: Ignition switch not working

Normally, the car's battery is the most common cause of no starts. With the battery being a year old, it will still need to be tested to rule it out. If the battery is found to be okay, the alternator...

Hi there. It sounds like you need a new ignition switch. This is the most common failure on your vehicle that will cause this. It can also be a failure in the body control module, but that is not nearly...

Hi there, thanks for writing in about your Chevrolet C1500. It's highly likely the mass airflow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement) is bad. To verify, a scan tool should be connected and observe voltage changes in the mass airflow sensor readings. Same for...

Hello. It sounds like the vehicles battery may be completely dead or shorted internally. If it is making only one click then it can also be a failure in the starter or the battery cables themselves. I typically test for...

Hi there: It appears as if you've got a lot of miscommunication going on with your mechanic. Here are a few basics. First, anytime an error code is triggered, such as the P0133 OBD-II code (https://www.yourmechanic.com/article/p0133-obd-ii-trouble-code-o2-sensor-circuit-slow-response-bank-1-sensor-1-by-blake-griffin) the issue needs to...

Hi there. Check the heater control valve in the engine compartment that is in line with the heater hoses and the engine. If the valve is sticking or shutting off, then the heater will not produce enough heat for the...

Hi there. Sometimes, dirty or clogged fuel injectors, throttle body or EGR valve, and mass air flow sensors can cause lack of acceleration and smaller levels of smoke from exhaust. However, there are also ignition issues that could cause this...

Hi There, This is somewhat normal to an extent to hear a slight whining of gears, especially in a vehicle with a manual transmission where the exchange of gears is dependent upon the driver. In some cases, however this may...

The P0420 code relates to catalyst efficiency however many of the underlying causes of the code have nothing to do with a fault in the converter itself. To evaluate that code, among the data of interest are long and short...