When the car engine is cold it starts fine, idles fine, and drives fine. When attempting the return trip (engine has been sitting warm) it starts fine and idles fine but dies when put in gear.. Again, it seems to work fine first trip of the day. However starting a second trip with a semi warm engine it stalls out when put in gear. (this is usually when just pulling into traffic - NOT GOOD) It could be that it dies as i begin giving it gas as its in gear.
Engine stalls or RPM
fluctuates at idle up and down or dies near idle. This problem
is commonly caused by a dirty automatic idle speed control valve and
throttle valve but always run a OBD2 fault code as well as the
cleaning procedure. Buy a can of throttle valve cleaner (do not use
carburetor spray cleaner!) from NAPA or Carquest (made by CRC
chemicals) and spray it into the air intake while the engine is
running, use up about 1/2 the can, engine will try to stall hold the
speed up, shut it down and let it soak for 30 minutes, restart and
blow out the remaining fluid, shut it down and disconnect the
negative battery cable for 5 Min's to reset the base idle control
SOURCE: RESTARTING MY 1995 MERCEDES C280
hi,seem fuel pump relay is mulfunction,better to your fuel pressure,or maybe the excess voltage protection relay is mulfunction,fuel filter should check also,ty
SOURCE: 1988 Mercedes Benz 300E 3.0L Gasoline F.I. ''Sputtering at Idle
ok..you must have more than one car???? you don't drive the 300 atall im guessing. #1 start car drive up the road and \back to your house. #2 let it idle till problem starts. #3 once it does start with the problem keep it alive with the gas pedal. #4 once your have it safely from dying in higher rpms "rev it" like a kid would, you know like if you were gonna race some one lol. be careful not to over rev or damage engine. you should do this for five minutes no longer than that. #5 let it idle for another 5 minutes. #6 repeat every day until problem with idling decipates. it took mine 3 300e like 3 days of this. if your not going to drive the car once you get the problem out of the way. turn the car on everyday and let it idle for 5 minutes atleast and take it for a short drive once a week. they get lonelly you know lol. later on you can just turn the car on every 2 -3 days and let it idle but still take it on a short drive atleast once a week
SOURCE: 1986 mercedes benz 230e runs rough and stalls
typically, this describes a dirty fuel filter.
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if the engine is cold start easy for days on end then one dae if motor switch off and stand for a while will start but idle unbalanced and will nor ref up when put in gear engine dies if left till its cold again will start againdid bleed it for a air lock???????
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