What causes a car to run strange at idle?
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.
What should I do if my Mercedes Benz won’t start?
Start the car and you should be able to get around 60 psi. When the engine is running and when you turn off the engine the pressure should stay steady. Always perform this test on a cold engine. Next, make sure that the fuel injector connections are secure and not loose. Check the fuel pump and the fuel pump relay.
Why does my car idle when it is warm?
When the cars idle gets rough, it hard to comprehend the related causes. It is because rough idle when warm can either be caused by one faulty component or through series of problems. Hence, after knowing the ways to troubleshoot rough idle when warm problem, anyone can now keep a check on their vehicle’s status.
When does the engine stall in a Mercedes?
There are never any notifications on the dash or any signs of it beginning to fail. This typically happens when I’m slowing down at an intersection or just driving slower in traffic.
How to know if your Mercedes C class is idle?
Check for vacuum leaks with a smoke generator injecting smoke into any vacuum line and see where the smoke comes out. That’s a leak that needs to be plugged. Other than that, there is the Idle Control Unit computer and the Idle Control Adjustment Valve, all which control the idle.
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.
Why is my Mercedes C class engine not working?
One Mercedes specialist told be that my cars engine is a gonner and the timing chain and gears were also damaged. Another one told us that our ECU was faulty and then suddenly there was no pressure on the one valve and so the so-called list of difference diagnosis started.
