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.
1988 Audi 5000 CS, AutomaticFACTORY OEM SERVICE PROCEDURE
Clearing Trouble Code Memory
NOTE:
The procedure for erasing trouble codes from memory on Federal vehicles was not available from manufacturer.
- To erase trouble codes from memory (Calif. vehicles only), turn ignition off. Insert fuse in top of fuel pump relay. Turn ignition on. Wait at least 4 seconds then remove fuse.
- A signal that repeatedly comes on for 2.5 seconds and then goes off for 2.5 seconds should appear. Reinstall fuse in top of fuel pump relay. Wait at least 10 seconds, then remove fuse. If procedure was followed correctly, warning light will stay on continuously.
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.