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BAD SHUTTER VALVE CAUSES ROUGH IDLE/NO IDLE

Article Text

1984 Mazda RX7

For iluvmyrx7.com

Saturday, June 08, 2002 11:00PM

ARTICLE BEGINNING

TECHNICAL INFORMATION TIP

ROTARY ROUGH IDLE

YEAR(S): 1982-85

MANUFACTURER: Mazda

MODELS: RX-7

DATE OF ISSUE: June 1993

ISSUE: BAD SHUTTER VALVE CAUSES ROUGH IDLE/NO IDLE

A bad shutter valve may cause a rough or no idle on 1982-85

Mazda RX-7 models. To test the shutter valve, remove the hose from the

valve (it's located below the carburetor) and check for vacuum. If

there is vacuum at idle, the shutter valve is bad and should be

replaced.

Another thing to check that may be causing your idle problems is

the vacuum hose that leads from the carburetor to the AA valve. This

large hose may be burned or split at the bend in the hose near the

intake manifold and can introduce a large vacuum leak if it's leaking.

Courtesy of Import Service Magazine

with thanks to:

Bill Jasper

Charles Levy Motor Company

Columbus, Georgia

REFERENCE NUMBER: MAZ0518AP

NOTE: This information has been obtained from sources generally

believed to be reliable. Use your own judgment before relying

on this data. Neither the suppliers of these Technical

Information Tips, nor Mitchell International, guarantees or

assumes responsibility for data accuracy or completeness, nor

is liability assumed by the suppliers of these Technical

Information Tips or Mitchell International for any claims or

damages resulting from the use of this information.

END OF ARTICLE

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Mazda 1984 RX7 Spezifikationen Seite 93