Q: Hi I have an 2001 Infiniti i30 and when I put it in drive it starts to shake and when I start driving it starts shaking and rumbl

Hello. It sounds like the window motor failed. It is much easier for a failing motor to lower and window and not be able to close it. I would typically remove the door panel and first check the voltage at...

That sounds about right and here is a good way to test it: Go down a road on a Sunday morning, early when there is hardly anybody around, and go around 45-50 mph, gradually going to the left and right....

Personally I would take the Mercedes over the Ford, but the truth is, diesels are undergoing a massive engineering revamping of their emissions systems. Emissions on diesels is new to the automotive market making these systems problematic until the manufacturers...

Hello - if releasing the clutch (https://www.yourmechanic.com/question/how-does-a-clutch-work-by-richard-manning) pedal with the car in gear does not produce forward motion with the transmission in a forward gear, then yes, the clutch has likely failed. This would be a failure of the clutch...

This may suggest a failing voltage regulator. The voltage regulator is a unit that regulates the charging of the battery (https://www.yourmechanic.com/services/battery-will-not-hold-a-charge-inspection) by the alternator. When the voltage regulator is not working properly, this may result in the alternator allowing too...

Hi there - unfortunately, this is not a service YourMechanic.com offers at this time. Thanks for thinking of us though!

Hello, thank you for writing in. You may be facing several issues at once. Start by testing for power at the starter and make sure the power supply is readily available. If there is power to the starter, and it...

P0406 (https://www.yourmechanic.com/article/p0406-obd-ii-trouble-code-exhaust-gas-recirculation-sensor-a-circuit-high-by-spencer-clayton) involves the EGR system but that may or may not be the only factor causing your rough running condition. Typically, P0406 will set if you have a failed EGR valve, excessive carbon buildup, an open or short in...

What you are describing sounds like a dirty or faulty mass air flow sensor. The mass air flow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement) monitors air intake as it is mixed with fuel prior to being injected into the motor. This sensor relays vital...