A large voltage drop is going to be a bad cable or connections either at battery or starter and engine grounds. Try doing a voltage drop for the positive and negative cables and also try using a jump to the...
Hi Charles. Thanks for contacting us today. If you're not getting any fuel pressure at the fuel rail, there are two usual suspects. Either you've got an obstruction somewhere in the fuel lines (from the pump to the fuel rail...
Hello. Most of the time if there is a misfire on those two cylinders it is not caused by the computer. Typically it is caused by either failing spark plugs (https://www.yourmechanic.com/services/spark-plugs-replacement) or an internal problem. I usually start by doing...
Hi there, thank you for asking about your 2003 Mercedes-Benz S55 AMG. This is usually caused by a failing throttle body. The throttle motor or sensor fails and will cause this to occur. If the motor cannot move the throttle...
Testing for voltage alone, or even continuity, on a circuit is not sufficient. You should test for any voltage drop in the starter circuit to be sure that there is not high resistance "somewhere" in the circuit that is causing...
Hello. My research indicates that there is more than one procedure for removing the alternator. Some procedures do require removing the radiator to access the alternator, however it appears that it can also be done without removing the radiator, if...
Hi there. These repairs that were done are fairly normal for this vehicle. It is very common for this car to have issues with these systems with age. I am actually a little surprised that there were not more issues...
There are many components that allow the air conditioner in your Mercedes to blow ice cold on days when you need it the most, but without a bit more information it is difficult to determine if the A/C compressor is...
