Q: CLK320 soft top won’t open. The cover carriage in trunk will not swing to close position.

If the transmission operates normally in all other driving conditions this sounds like a feature in the transmission program to inhibit upshifts to prevent a runaway condition when going downhill in case the driver is towing or a hauling heavy...

Yes, the catalytic converters would often rattle. Catalytic converters look like mufflers but they are not. They have platinum inside these ceramic pieces and the hot air goes through them and burns hydrocarbon. What happens is, the ceramic parts start...

Hello! We will be happy to help. I believe the problem that you are describing is a normal driving pattern. In your particular vehicle Lexus/Toyota implemented a system called Artificial Intelligence Shift Patterning. It is consisted of many sensors which...

This may be cased by a number of things, however the code p1633 indicates the engine control unit (ECU) may be faulty. The battery light generally suggests that you may have a charging system issue which is usually caused by...

Well, a blinking Check Engine Light (CEL) is often more serious than a "steady" light because that typically means the engine is misfiring. You can't drive a misfiring engine very long without causing additional damage. The good news is there...

There is a device on the transfer case that makes the mechanical engagement that allows power to be transferred to the front wheels. If the power and ground signals are present here and there is no engagement, suspect the actuator....

Hello. If the transmission gears are actually stripped then the transmission needs to be either rebuilt or replaced. It can be taken apart and inspected to see if it is savable but it may not be. If not then it...

Hi Daniel. Thanks for writing in today to YourMechanic.com. Typically when you hear a whining or grinding noise while the clutch is not activated, it's caused by one of three possible sources. First, it's possible the flywheel has become unbalanced...

Your engine has variable valve timing and uses oil pressure to work this system in the engine. It will not work correct and can cause starting issues if you are not using the correct 5w30 oil in the engine. The...