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.
1987 Volkswagen Quantum Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Airflow Sensor Plate: Notes
- Check basic adjustment of sensor plate lever. With fuel distributor removed from airflow sensor housing, measure distance between roller on sensor plate lever and contact points of fuel distributor on top of airflow sensor housing.NOTE: Always check sensor plate lever adjustment if fuel distributor or airflow sensor has been replaced.
- Use a depth gauge or vernier caliper for measuring distance. See Fig 1. Distance should be .74-.75" (18.9-19.1 mm). If distance is out of specified range, correct it with adjustment of mixture screw.
Factory Service Tools
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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.
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