Why does my Ford 89 F150 stall at idle?
The idle was still solid, but it was running rich and >cutting out. >Valve not closing properly) popped up during the KOER test. I replaced >the EGR Valve and it seems to be running much smoother. But, I haven’t >had the opportunity to get it over 45 yet. One good thing is that the >acceleration. It’s not gone, but it is MUCH better.
Why does my car stall at a stop light?
While stopped at a stop light, my car will start to sputter as if it’s a bout to stall for a moment. Then, the car will rev up a bit and idle back up on its own. Also, after I stopped briefly to make a turn, when I pressed on the gas pedal it took about four seconds before the car would accelerate properly.
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.
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.
The idle was still solid, but it was running rich and >cutting out. >Valve not closing properly) popped up during the KOER test. I replaced >the EGR Valve and it seems to be running much smoother. But, I haven’t >had the opportunity to get it over 45 yet. One good thing is that the >acceleration. It’s not gone, but it is MUCH better.
What causes a car to stall while idling?
STALLING DUE TO LOW FUEL PRESSURE If the engine stalls while idling or driving, the engine may be running out of fuel or not receiving enough fuel pressure to keep it running. The most likely cause of this kind of stalling would be a fuel pump that is not spinning fast enough or is intermittently cutting out.
What causes idle fluctuation on a Mercedes W204?
Trying to find a solution to this issue, the car is an auto so this is a major concern in slow traffic. Update- issue resolved. It was found the rail pressure was unstable so a new pressure control valve was fitted in the pump. There is also a control valve on the rail, however this one is working correctly. Loading…
Is there check engine light for intermittent stalling?
Many times, there will be no check engine light and no fault codes to give you a clue as to what might be causing the engine to stall. So the trick to diagnosing an intermittent stalling problem is to catch the vehicle when it’s acting up — and that rarely happens when you have the vehicle in your shop.