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On Wed, 7 May 1997, Woolston Craig wrote: > I have a '71 Fastback and it has a inline fuse before the relay that has been known to pop on occasion. But this did not cause > complete FI failure, it just ran a little rich. I believe it is was because the pump was NOT shutting off at idle. I know that my '70 > Sqback does not have this inline fuse. Maybe Jim A. knows it's exact function? Craig, I may be misunderstanding what you meant to write; did you mean to suggest that the pump *should* be shutting off at idle? It should not! If the engine is running--at any speed--and the ignition switch is turned on, then the pump pumps. On later U.S. models, if you lift your foot off of the accel. at speed, then the throttle pos'n switch tells the brain to shut the injectors off until the RPMs drop down to a set amount. Were you referring to this in some way? -Greg '71 squareback '63 Beetle