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 Audi 5000 CS, AutomaticFACTORY OEM SERVICE PROCEDURE
Cold Acceleration Enrichment
- Disconnect differential pressure regulator connector from side of regulator. Using Adapter (1315 A/1
), connect Multimeter (US 1119
) to differential pressure regulator and to the connector removed from the regulator.NOTE: Coolant temperature must be below 104°F (40°C) to perform Cold Acceleration Test.
- Set multimeter to 200Ma DC scale. Disconnect oxygen sensor connector. Start engine and let idle. Note multimeter reading. Accelerate engine. Multimeter reading should increase approximately 6Ma during acceleration.
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.