Mazda MX-3 silhouetteMX-3

FUEL INJECTOR

F2-115parts diagram

Exploded view shows the V6 (K8-ZE) twin fuel distributor (right and left bank) arrangement.

Inspection (On-vehicle)

  1. 1
    Warm up the engine and run it at idle.
  2. 2
    Listen for the operational sound of each fuel injector by using a screwdriver or a soundscope.
    The best way to judge the performance of a fuel injector is to compare its sound with the sound of other fuel injectors.
    Drawing of a technician using a soundscope/screwdriver against the engine to listen for the operational sound of the fuel injector. Label points to FUEL INJECTOR.

Removal / Installation

Removal / Installation

  1. 1
    Remove in the order shown in the figure.
    Large exploded view of the fuel injector / fuel distributor assembly on the V6 engine with numbered balloon callouts 1-12 and lettered fastener callouts A, B, C. Tightening torque values are labeled near the bolts. Notes indicate O-RING REPLACE and SPACER RUBBER REPLACE. An inset shows a single fuel injector with O-ring.
  2. 2
    Install in the reverse order of removal, referring to Installation Note.
Parts DiagramFig. fig2
#Part NameNotes
1Negative battery cable
2Air intake hose
3Fuel injector connector
4Fuel hose
5Vacuum hose
6Fuel distributor (Right bank)
7Fuel distributor (Left bank)
8Harness
9Spacer
10Fuel injector
11Insulator
12Pressure regulatorInspection ... page F2-114
Tightening torque (item 8/10 bolts)
2.5 - 3.5N·m
Tightening torque (fuel distributor)
19 - 25N·m
8.9 - 9.80N·m

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