HI, actually, i believe it is vacuum driven. The filter itself looks like a flying saucer with a tube coming out the top that goes into either the Position Sensor or the Pressure senser (I don't have the service manual yet). Its a 2001 focus. Thanks for all the help. If anyone else has any ideas, please contact me off the list so we don't clutter the Forum with Ford questions. Thanks again Erik --- In DMCForum@xxxxxxxxxxxxxxx, Farrar Hudkins <fhudkins@xxxx> wrote: > Erik, > > I'm a bit familiar with EGR valves (they haven't changed much over the > years). But take what I say with a grain of salt, or a jar of it, or > feel free to ignore whatever I say. :) > > I assume yours is "digital" (they replaced the vacuum-actuated ones in > the 1980s I believe), controlled by a solenoid (or two) instead of a > vacuum pump. Is the solenoid okay? (Check by jumping it to the battery > voltage.) If the solenoid is okay, and it is controlled by the computer, > then it may be more difficult to track down, since the engine uses > temperature, load, throttle position and vehicle speed to determine the > duty cycle of the solenoid. That's a lot of sensors! Ford in particular > has a valve position sensor which I've heard can go bad, so you may > check that. Is it a single-stage or multi-stage EGR? Is the "check > engine" light on? It could be a loose wiring connection, faulty coolant > sensor, or failed driver circuit in the computer. > > Just a thought. Good luck. Incidentally, what year is your Focus? 2000? > > Regards, > Farrar in New Orleans > > [Non-text portions of this message have been removed] To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
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