Why does my Mercedes have a low idle?
This video shows several different solutions to the low and/or rough idle that many vehicles have. Solutions will vary from vehicle to vehicle. This just happens to be a Mercedes SLK230 and the problem was the gas pedal position sensor, but other vehicles or even this vehicle may have the same symptoms but have a different solution. 1.
Why does my Mercedes C230 stall when I idle?
Folks I have a 1997 C230 Mercedes, This seems to be having the same problem, but when it Idles it runs rough and when driving it is stalling out but will re-start. I had the codes checked, came up with bad cam sensor. I replaced it as well the MAF.
What should I do about my Mercedes slk230 low idle problem?
Solutions will vary from vehicle to vehicle. This just happens to be a Mercedes SLK230 and the problem was the gas pedal position sensor, but other vehicles or even this vehicle may have the same symptoms but have a different solution. 1. Ignition coils 2. Coil wires and connectors 3. Egr vacuum switching solenoid valve 4.
Is there a problem with the throttle sensor on a Mercedes?
Mercedes-Benz throttle body or throttle position sensor found on C-Class, E-Class, S-Class, CLK-Class, SLK-Class may fail causing idle issues, no idle or poor acceleration. Symptoms of defective Mercedes throttle body or throttle position sensor include:
What does a Mercedes C class make when it idles?
It idles around 300rpm (not rough). It makes a loud clunking noise when shifting gears up a hill. And now at low speeds it feels like its bouncing. over the past 3 months I’ve had it into pep boys 3 times. First two there were no lights on and they said they couldn’t find anything wrong.
Folks I have a 1997 C230 Mercedes, This seems to be having the same problem, but when it Idles it runs rough and when driving it is stalling out but will re-start. I had the codes checked, came up with bad cam sensor. I replaced it as well the MAF.
Mercedes-Benz throttle body or throttle position sensor found on C-Class, E-Class, S-Class, CLK-Class, SLK-Class may fail causing idle issues, no idle or poor acceleration. Symptoms of defective Mercedes throttle body or throttle position sensor include:
What causes a car to run strange at idle?
You know I been using alot MAF for my testing and found that bad MAF will cause the car run stranged eg. engine rev up and down unintention and also the fuel consumption is bad. The gear shift is rough. After I change to the good MAF one, the car run normally again.
Is the ml430 ml500 ABS motor not working?
ETS ABS Mercedes Benz ML320 ML430 ML500 ML230 ABS Motor not working ? I have the answer! An error occurred while retrieving sharing information. Please try again later.
How can I charge my Mercedes ML320 air conditioner?
You will need to press and hold the quick-release at the end of the hose, insert it on the AC charging port then release it. Read the pressure in your air conditioner system. If the pressure is low the gauge reading will be in the white zone.
How to recharge ML320 W163 1998-2005?
How to recharge the Air Conditioner (A/C) system of your ML-Class W163. Turn the engine on and let it idle. Turn the air conditioner ON and set it to the maximum cold setting. Open the hood of your ML320 W163 and locate the low-pressure AC service port and remove the cap. Attach the refrigerant gauge to the service port.
Why does my car engine run rough while idling?
When your car engine runs as it should, everything should be smooth without any noise. When any number of things goes wrong, the engine can start running rough, especially while idling. By understanding the causes of a car engine that has a rough idle, you can resolve the issue easily.
What happens to the engine when left in idling position?
When the engine is left in idling position, it maintains a steady but low rate of revolution approximately 1,000 RPM. The RPM needle stays constant, and this indicates that the vehicle’s engine is receiving the correct amount of air and fuel.
Why does my Mercedes C class run rough off-idle?
21 people found this helpful. Hmmm, so what you’re saying is it idles ruff but passed that part of the test and runs smooth off-idle but fails that part because it’s running too rich ( too much fuel). If you had a vacuum leak at the throttle body you’ll be running lean not rich as you are now.
What to do if your car has rough idle?
12 people found this helpful. For rough idle problem check the fuel pressure regulator (on injection system @ front top of motor) it has a small rubber vacuum line on it, with the engine running; gently pull off the vacuum hose and hold it about 1/4 inch away from nipple.
What causes a diesel engine to rough idle?
If one (or more) of your cylinders have low pressure (pressure escapes from the cylinder) this would not cause enough compression to ignite the fuel until the temperature in the cylinder raises. However, my money would also be on the valves.
What causes a diesel engine to go Amuck?
There is not much that could go amuck with diesel operation, other than injectors or valve adjustment. The fact that it clears up as the engine warms, seems to suggest that as things warm up and expand, this changes the problem enough to run smoothly.
This video shows several different solutions to the low and/or rough idle that many vehicles have. Solutions will vary from vehicle to vehicle. This just happens to be a Mercedes SLK230 and the problem was the gas pedal position sensor, but other vehicles or even this vehicle may have the same symptoms but have a different solution. 1.
Solutions will vary from vehicle to vehicle. This just happens to be a Mercedes SLK230 and the problem was the gas pedal position sensor, but other vehicles or even this vehicle may have the same symptoms but have a different solution. 1. Ignition coils 2. Coil wires and connectors 3. Egr vacuum switching solenoid valve 4.
What causes a car to have rough idling?
Rough idling can be cause by a couple of things, vacuum leak somewhere in the intake, a dirty throttle body.
What happens when a diesel engine is idle?
There is a simple check to carry out (similar to conventional) valves to check clearances. They do have precombustion chambers. When the engine is idling when cold is it at the normal revs or is it slower than normal ? Most engines will run roughly at lower than standard idle speed.