Q: Hi Allen, I own a 2011 Hyundai Elantra with 127,000 miles. My timming chain tensioner on cold start sounds like a diesel truck sta

It sounds like you have an overheating issue. Some vehicles will shut off automatically if the engine reaches too high of a temperature. I would first recommend having a cooling system pressure test performed on the vehicle to make sure...

A thumping is most likely coming from the front rotors being warped, and the pads jumping back and forth in the caliper while braking. The rotors and pads should be inspected and replaced as a set; putting new pads with...

Depending on the ticking noise will depending on if it is a camshaft follower or a camshaft noise. If your engine was ran without oil you may have low oil pressure at idle and the engine can get noisy if...

Your check engine light (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) may come on for many different reasons such as a faulty mass air flow sensor, a faulty O2 sensor, a bad catalytic converter, bad spark plugs or wires and many other reasons. Due to the...

Hello, thank you for writing in. There are parts of the charging system, like the alternator output, that are monitored directly by the computer with sensors. However, there are enough sensors in the system, the aspects that are not directly...

Diagnostic Trouble Code P0420 (https://www.yourmechanic.com/article/p0420-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-1-by-jamahl-walker) has many, many potential causes including a damaged muffler or leaks in the muffler, damaged exhaust manifold or leaks in the exhaust manifold, damaged exhaust pipe or exhaust pipe leaks, misfiring in the engine, oil...

The VDC (Vehicle Dynamic Control) light indicates that there may be an issue with the vehicle's traction control system. The traction control system (https://www.yourmechanic.com/services/traction-control-light-is-on-inspection) monitors the steering and stability of the vehicle and engages when loss of traction has been...

Hello, thank you for writing in. To start, there was a massive recall on Nissan's airbags around the time your car was built. You want to start by making sure you are not part of that recall. Secondly, the light...

Hi Clay. Thanks for writing in today. The code you've listed is a Nissan-specific error code that indicates a few possible sources of the air bag module warning light. The top sources include a faulty air bag, spiral cable, bad...