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 MANUALSAUDI199590 BASE, 2.8 A, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODESSELF-DIAGNOSTIC TESTSENGINE BASIC SETTINGDISPLAY GROUP 11, FIELD 1, IGNITION TIMING POINT WITHOUT KNOCK CONTROL & IAC CONTROL
1995 Audi 90 Base, 2.8 A, Automatic
Display Group 11, Field 1, Ignition Timing Point Without Knock Control & IAC Control
1995 Audi 90 Base, 2.8 A, AutomaticSECTION Display Group 11, Field 1, Ignition Timing Point Without Knock Control & IAC Control
At idle (CTP switch closed), ignition timing point of 12 degrees BTDC should be displayed. When engine speed is increased (CTP switch open), timing point without knock control or IAC should be displayed.
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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.