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Home >> Alfa Romeo >> 1988 >> Spider Graduate >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH AFC >> Testing >> Altitude COMPENSATOR Sensor
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Altitude COMPENSATOR Sensor

Disconnect wiring from sensor. Measure resistance between terminals No. 2 and 3. Measure resistance between terminals No. 1 and 2. If resistance values are not as specified, replace sensor.

ALTITUDE COMPENSATOR SPECIFICATIONS

Terminals Ohms
2-3 2000-3000
1-2
At 0-4000 Ft. 500-4500
Above 4000 Ft. 2500-6000
NOTE: For all other models, refer to appropriate article in 1988 COMPUTERIZED ENGINE CONTROLS section.