Question about 1996 Mercedes-Benz C-Class
Sounds like you might have a problem with the idle circuit of the vehicle, where the car does not know how to increase the RPM to keep the vehicle running on deceleration. I would have you go into a repair shop there is nothing that you can do at this point they will have to check ALOT of stuff to figure if its a sensor,fuel pressure, ignition and so forth. I think its computer control related without actually running tests hard for me to guide you to where your next step is.
Over all you need to make sure you get this car working correctly cause of the liability you are on the road when its not running right, to yourself and others. Safety 1st.
Posted on Aug 25, 2010
Testimonial: "Thank you. I don't know if the car is worth the cost of replacing the ECU which may well be the source of the problem. I'll take it into the garage."
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Posted on Jan 02, 2017
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Oct 24, 2017 | 1996 Dodge Grand Caravan
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Dec 13, 2012 | Cars & Trucks
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. 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
Oct 02, 2012 | 1996 Honda Accord
You can in most cases repair this slow speed stall or unstable idle by cleaning the engine throttle valve and the idle speed control valve using a product called CRC Spray Throttle valve cleaner. Spray the cleaner into the air intake of the engine with the hose removed from the throttle body, the engine will try to stall so hold up the idle speed manually. Once you have used up about 1/2 can of the cleaner stall the engine out while spraying and turn the key off, disconnect the negative battery cable for 5 minutes and then reconnect and drive the car for a about 25 miles of varied driving modes. If this doesn't cure the problem you may need the fuel injectors professionally cleaned by the dealer service dept.
Jun 07, 2017 | 1998 Mercury Tracer
Here are the common cause of idle surge, cold stalls, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours.
To correct this problem I want you to get a can of intake cleaner (ABOUT $5.00) from any local auto parts store like NAPA or Carquest, do not use carburetor spray, intake cleaner only or u will damage the Teflon coating inside the throttle valve and air bypass valve, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won
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