Home/Mercury/Tracer/Mercury Tracer I (1991-1999)/Repair manual/Testing & Diagnostics/Engine Controls - Basic Testing - 1.9L: Adjustments

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Wiring diagrams Section: Testing & Diagnostics

EGR Function Testing

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Engine Controls - Basic Testing - 1.9L: Adjustments Mercury Tracer I

Testing & Diagnostics

IDLE MIXTURE ADJUSTMENT

Note. Idle mixture is not adjustable. If idle mixture is incorrect, see the TESTS W/CODES - EEC-IV (1.9L) article in the ENGINE PERFORMANCE section.

THROTTLE POSITION (TP) SENSOR ADJUSTMENT

Note. For TP sensor adjustment procedures, see the ADJUSTMENTS - 1.9L article in the ENGINE PERFORMANCE section.

See also:
• FUEL PRESSURE SPECIFICATIONS
• WIRING DIAGRAMS - 1.9L