Engine Controls - Theory & Operation - Cng, Flex-Fuel & Gasoline: Maintenance Ford Econoline E250

Reset Instructions

1. Turn key off.
2. Check for natural gas leaks in the engine compartment.
3. If no natural gas leak is apparent, reset the IFS by pushing the reset button on the top of the switch (refer to Owner Guide).
4. Turn key to on or start position for a few seconds, then off again.
5. Again, check for leaking natural gas.