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HOMESERVICE MANUALSMAZDA1991RX-7 BASE, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSIDLE CONTROL SYSTEMBASE THROTTLE OPENING ANGLE (THROTTLE BODY)
1991 Mazda RX-7 Base, 2D Convertible, Standard

Base Throttle Opening Angle (Throttle Body)

1991 Mazda RX-7 Base, 2D Convertible, StandardSECTION Base Throttle Opening Angle (Throttle Body)
  1. No. 1 secondary throttle valve starts to open when primary valve opens to proper angle. See Fig 1 . Primary throttle valve should be completely open when secondary valve fully opens.
  2. Check clearance between primary throttle valve and throttle bore wall when No. 1 secondary valve starts to open. Clearance should be within specification. See PRIMARY THROTTLE VALVE CLEARANCE  table. If clearance is not within specification, bend tab until proper clearance is obtained. See Fig 2 .
PRIMARY THROTTLE VALVE CLEARANCE

Application In. (mm)
Non-Turbo
A/T .03-.06 (0.8-1.5)
M/T .02-.03 (0.5-0.7)
Turbo .04-.07 (1.0-1.7)
Fig 1: Measuring Secondary Throttle Valve Opening
G93905Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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