I have been having an issue with my 2006 100 now that the heat of summer is here in Arizona. After driving at slow speeds off-road on hot days I am getting fuel coming out of the fuel fill area causing fumes. If I turn off the engine it will crank strong, but won't start until it has cooled off for about twenty minutes. It appears for be a vapor lock type situation or fuel is boiling within the fuel lines or filter in the engine compartment due to heat. I know this is not a new issue as I have read several posts regarding a similar issue. Most of these seem to be related to fuses or other sensors and/or immobilizer. I know the engine compartment gets extremely hot even though engine temp runs around 190 to 210 degrees. It's possible that my front ARB bumper and winch block the amount of air passing through radiator making the issue even worse. I have added a snorkel which has greatly improved the air intake temperatures. I have recently replaced fan clutch and the main relay thinking this might have something to do with it, but this has not helped. I have had no other issues with it starting except under extreme heat conditions.