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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,274
I check the WUR and AAV heater functions and control pressures with the ignition on and pumps running because they are on the fuel pump circut.

With the engine off I've also run the battery down doing that because the 2 fuel pumps draw around 13amps and loosing battery voltage while running them completely screws up fuel pressure readings so hook up a 10 amp minimum battery charger to the battery while doing that.
Old 02-23-2010, 01:02 PM
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