lemon-mirror:
Home >> Mazda >> 1989 >> RX-7 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> Fuel System >> Fuel Delivery >> Injector Delivery Volume

Injector Delivery Volume

  1. Using wire, secure injectors tightly onto delivery pipe. Install hose on injector. Install Injector Checker (49 B092 953) on injector. See Fig 1 .
  2. Install jumper between 2 terminals of fuel pump test circuit connector. See BASIC TESTING for test connector location. Turn ignition on. Connect injector checker to battery voltage. Note injector volume within 15 seconds.
  3. Replace injectors which do not meet volume specifications. Check primary and secondary injectors in the same manner.
CAUTION: Use care when connecting injector checker not to create sparks around fuel area.
INJECTOR VOLUME SPECIFICATIONS

Application Ozs. (cc)
Non-Turbo 37-40 (111-118)
Turbo 45-48 (133-142)
Fig 1: Testing Injector Delivery Volume
G117783Courtesy of MAZDA MOTORS CORP.