Idle Compensation System; Idle Compensator Operation; Altitude Compensator Operation; Throttle Opener Operation - Mazda 1983 RX7 Service Manual

ARTICLE BEGINNING
1983 Exhaust Emission Systems
MAZDA RX7 IDLE COMPENSATION SYSTEM
DESCRIPTION
The Idle Compensation system is installed to control the
air/fuel mixture under varying engine operating conditions. The system
consists of idle compensator, altitude compensator and throttle opener
(air conditioned models).

IDLE COMPENSATOR OPERATION

The idle compensator is a bimetal valve installed in the air
cleaner. The bimetal valve opens at approximately 149
supply additional air to intake manifold to lean the air/fuel mixture
for more complete burning.
Fig. 1: Idle Compensator

ALTITUDE COMPENSATOR OPERATION

The altitude compensator is installed on the carburetor to
supply additional air to carburetor during idle mode in high altitude
areas. The altitude compensator stabilizes engine operation.

THROTTLE OPENER OPERATION

AIR CONDITIONED MODELS
The throttle opener consists of air conditioner switch (relay
on manual transmission models), air conditioner solenoid valve, servo

IDLE COMPENSATION SYSTEM

Article Text
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 04:59PM
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