2002 MB S420 Acceleration Hesitation Unlocking the Mystery

It could be your crank position sensor is starting to go bad. I would also change out your fuel filter. Sign in to reply. 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, ... 2002 Mercedes S430 Review - Troublesome Comfort. Shooting Cars•27K views · 8:40. Go to channel · How to fix hesitation under acceleration ... 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 ... My thoughts on the 2002 Mercedes S430 with the 4.3L V8 and 5 speed automatic transmission! Merch & Blog: https://www. This is normally caused by a dirty butterfly flap in the throttle body which causes a small air leak and confuses the ECU. Its easy to clean.... 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. 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 ... My 1995 E320 with the M104 engine has an occasional hesitation problem upon acceleration. The car has 139,000miles and runs VERY smoothly ... Oxygen Sensor for Mercedes-Benz C280 CL500 CL600 E320 E420 E430 ML320 ML430 S420 S500 ... 2002-2005 for Benz C230,2001-2005 for Benz C240,1998-2000 for ...