Q: I have a 2006 Mercedes S500. I'm not sure if it needs a tune up or something wrong with the throttle

This means that the sensor inside your fuel tank isn't reading properly. This could mean faulty fuel gauge readings and could even leave you stranded without fuel. I suggest having a qualified technician, like one from YourMechanic to diagnose and...

From the symptoms you describe, it would appear that the vehicle is experiencing an electrical problem. There is a technical service bulletin that addresses a problem similar to this, indicating that there may be a problem with the wires underneath...

This seems to be a common problem that Jeep has yet to address. Many people have had this TCM flash that you are talking about. Some vehicles will see an improvement from this flash and others will not. For the...

I would recommend first making sure that an exhaust heat shield (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-heat-shield) is not the issue. This can be done by having a professional get under your vehicle and check for any loose parts on your exhaust system. Replace any...

Hey there. The battery and starter are key components to starting the vehicle. If the battery is weak (https://www.yourmechanic.com/services/battery-replacement), it can cause a slow or sluggish cranking if it is not providing enough power to the starter. Also, the starter...

This light will usually come on when one of two things are happening. Either the motor is in fact low on oil or the oil pressure sending unit (https://www.yourmechanic.com/services/oil-pressure-sensor-replacement) is not working properly and may be producing a faulty reading....

Hi there. Most of the time, reduced engine power is caused by a restriction of fuel, or the throttle body's inability to efficiently mix air and fuel. This could be caused by a failing mass air flow sensor, EGR valve...

Hi there - these 2 faults are NOT connected. A transmission fluid leak will not cause AC compressor failure. You are not getting good advice from whoever told you this - not to be trusted. A transmission fluid leak can...

The alternator is not used in starting. However, a faulty alternator will not keep the battery properly charged. The starter may click if the jump start connection at the battery is poor or the starter may click if the starter...