Enhance Acceleration Diagnose and Resolve 2002 MB S420 Hesitation

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. It could be your crank position sensor is starting to go bad. I would also change out your fuel filter. Sign in to reply. ... hesitation until the power seems to kick in. Is this usual for ... But listen; I just bought a 2002 S430 yesterday (at 10:12 AM) at ... The S-Class delivers a smooth and effortless driving experience, with the engines providing ample power for confident acceleration and passing maneuvers. The ... If it has, and considering the age of the vehicle, fuel filters, pumps, and accumulator play into this issue. Water in the fuel can cause ... The acceleration problem returned with fault codes relating to voltage on 3 coil packs. I replaced all 8 coil packs (aftermarket) and cleared ... The problem is that when I drive hot or cold as I accelerate at the low rpm around 2000 the car sputters or hesitates. 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 ... Despite the lack of codes or vacuum leaks, the car struggles to move, even after swapping the Mass Air Flow (MAF) sensor, testing the actuator, ... ▶️Automatic Transmission Slipping When Accelerating (7 Reasons Why) ... Mercedes Benz 7G Electrics (conductor) Plate Replacing - Part 2 of ...