2002 Mercedes-Benz S420 Acceleration Hiccups? Diagnose and Conquer

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 ... 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 ... 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 ... 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 ... 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.... The S-Class delivers a smooth and effortless driving experience, with the engines providing ample power for confident acceleration and passing maneuvers. The ... I'm working on a 2002 E320 (210.065) which hesitate once in a while. Symptoms are exactly the same as if the brake pedal was depressed during acceleration ... It could be your crank position sensor is starting to go bad. I would also change out your fuel filter. Sign in to reply. 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 ... This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other ...