Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET1976LUV AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEFUEL DELIVERYCOASTING RICHER SYSTEMOPERATIONENGINE SPEED SENSOR1976-78 CALIFORNIA MODELS

1976 Chevrolet Luv Automatic Trans

1976-78 California Models

1976 Chevrolet Luv Automatic TransSECTION 1976-78 California Models

Engine speed sensor detects engine RPM by sensing pulses from ignition coil. When engine speed exceeds 1600 RPM, engine speed sensor turns on and coasting richer solenoid valve may be energized.

Fig 1: 1974-78 LUV Coasting Richer System (1979 Models Similar)

Courtesy of GENERAL MOTORS COMPANY

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.