Q: 2009 chevy 454 and trans fell 4 feet off cherry picker, I had removed intake and heads and exhaust before it fell and the oil drai

A fuel smell should be investigated immediately. As a fuel leak develops, it may leak on hot components which could start a fire. The fuel system needs to be thoroughly inspected to insure there are no hazardous leaks and any...

Hi there. I have taught automotive technology and I can tell you that you can work while training in most programs. You will find that body repair and automotive repair are two separate programs. The automotive repair program (https://www.yourmechanic.com/article/how-to-become-an-automotive-mechanic), for...

The fuel injectors, EGR solenoid and TCL solenoids are all supplied power by the PCM and each of the injectors are sequentially ground actuated by the PCM. Power needs to be checked to all of these components to see if...

Did the Check Engine Light illuminate? If so, a fault code may shed some light on the situation. Check your service history to be sure the maintenance is up to date, as spark plugs (https://www.yourmechanic.com/services/spark-plugs-replacement) are recommended every 30,000 miles...

Hi. This sounds like you have a bad throttle position sensor (https://www.yourmechanic.com/services/throttle-position-sensor-replacement) or idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) is going bad. Both of these sensors can cause the car to stall at low speeds and have trouble accelerating. These sensor...

Hi there. First, a compression test (https://www.yourmechanic.com/article/how-to-do-a-compression-test-by-robert-tomashek) will only check the cylinder for pressure build up during cranking and test the rings. To verify that the valves are really leaking, hook up a leak down tester to the engine and...

Hi there - this is a frustratingly common problem (https://www.yourmechanic.com/question/what-does-it-mean-if-the-message-center-says-check-awd-or-awd-off) with this model. If a problem code of C0550 is set (whether Check Engine is lit or not), it is possible this warning is the result of a lot battery...

When routine service or maintenance is due the ECU activates this warning light to let you know. However, in most cases, the light needs to be cleared after the service manually. If you look in your owner manual, you should...

Hello, and thank you for writing in. The first thing we need to determine is if there an issue with the latch, the switch, the key fob, or possibly the wiring. The best way to determine this is to test...