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Section 20 (Engine Controls - Tests W/Codes)
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Trouble Code Identification
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Code 04: (SGT Signal - Distributor)
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Code 04: (SGT Signal - Distributor)
WARNING:
This page is about a different car, the 1994 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Trouble Code No. 04 Diagnostic Chart (SGT Signal - Distributor - Protege)
Courtesy of MAZDA MOTORS CORP.
Fig 2: Trouble Code No. 04 Circuit Diagram
Courtesy of MAZDA MOTORS CORP.