RPM drops below 500 when either put in D or R
My 2011 E350 is acting up again..
It starts at 700 RPM at idle but as soon as i put it in D or R, the RPM drops below 500 and the car starts shaking..
I clean both EGR valves but didn't help..
Could it be transmission mount or Engine mount?
Thanks.




Take a look at live FUEL TRIMS data to see if bank are in tune or off balance, how far rich/lean.
What maintenance has be done to this engine for the past 25KMi??
May be you got some catching up do besides oil changes:
- Spark Plugs, coils,
- PCV, Valve cover rear plugs,
- Tranny mount, ATF
- Fuel pump filter
- Voltage regulator
- Upstream O2/lambda Sensors
- (Coolant, AirFilter)
Take a look at live FUEL TRIMS data to see if bank are in tune or off balance, how far rich/lean.
What maintenance has be done to this engine for the past 25KMi??
May be you got some catching up do besides oil changes:
- Spark Plugs, coils,
- PCV, Valve cover rear plugs,
- Tranny mount, ATF
- Fuel pump filter
- Voltage regulator
- Upstream O2/lambda Sensors
- (Coolant, AirFilter)
- Spark Plugs, coils..DONE
- PCV, Valve cover rear plugs, I need to look into these.
- Tranny mount, ATF. DRAIN AND FILL WITH NEW FILTER.
- Fuel pump filter. NOT YET
- Voltage regulator. NOT YET
- Upstream O2/lambda Sensors. NOT YET
- (Coolant, AirFilter). Air filter is practically new.
Nothing else is missing. I remove the engine cover to show the EGRs..






