Overcoming Acceleration Hurdles Unlocking Smooth Performance in 2002 Mercedes S420s

It could be your crank position sensor is starting to go bad. I would also change out your fuel filter. Sign in to reply. Any reading over 900 ohms, I would replace it. It won't set a fault code in the engine control unit. The other solution is the Mass Air Flow MAF ... 2002 Mercedes Benz s430 Rear suspension aired all the way down, doesn't respond to adjustment and no codes!!! super simple fix.the "FIX" in ... The S-Class delivers a smooth and effortless driving experience, with the engines providing ample power for confident acceleration and passing maneuvers. The ... This occurs when the car is fully warmed up, when going from 4th down to 3rd. It has approx. 18k miles, and other than this "quirk", it performs very well. Fuel injectors may become dirty over time and not be able to provide as much fuel to the cylinder as is needed. Dirty fuel injectors may cause the engine to run ... A vehicle that hesitates while accelerating or while driving up a hill may have a weak fuel pump. Throttle position sensor: A throttle position sensor tells the ... Most hesitation problems are caused by a bad mass air flow sensor. A bad sensor will give you a code that looks like a vacuum leak. When it happens, it basically for a second doesn't respond to the accelerator input and then lunges forward jerking-ly. I have found that when ... What is happening with the hesitation is the torque converter is not locking up all the way because it is preparing for a rapid changing of ...