mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Transfer Pump Control Unit <--> [Fuel Pump Control Unit] > < Fuel Pressure|Specifications|Page 3304
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If not, check for leaking fuel injector(s). If injectors are not leaking, replace pressure regulator.

 

If all test results are OK, fuel pump and pressure regulator are OK.

 

Transfer Pump Control Unit <--> [Fuel Pump Control Unit] > < Fuel Pressure|Specifications|Page 3304