Reddit reviews Mercedes w124 w140 evap Fuel Regeneration vent Valve gas tank ventilation
We found 1 Reddit comments about Mercedes w124 w140 evap Fuel Regeneration vent Valve gas tank ventilation. Here are the top ones, ranked by their Reddit score.
Regeneration Valve for Fuel Systempart# 000 470 21 93, check fit below.Brand NEW Genuine Mercedes part with full 1 year warranty.Recently manufactured, professionally stored. Not lying around.These valves will cause the Check Engine Light due to emissions (throwing 'evap' codes). First check your gas cap, then this valve.
If your car has the EVAP fuel regeneration valve (https://www.amazon.com/Mercedes-w124-Regeneration-Valve-ventilation/dp/B00AHQIO5A)
this thing tends to stick and you don't immediately realize it stopped working. It basically takes petrol fumes from the tank and burns it up in the engine and this thing is a solenoid valve
Hook up 12V to it and see if you can hear it ticking on/off, if it's not take it apart and see if you can unstick it, otherwise go to a graveyard and find one
This has been the issue on mine, it messes up a lot