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 DIAGNOSISENGINE PERFORMANCEENGINE CONTROLS - ADJUSTMENTSENGINE COMPRESSION
1995 Audi 90 Base, 2.8 A, Automatic
Engine Compression
1995 Audi 90 Base, 2.8 A, AutomaticSECTION Engine Compression
Check engine compression with engine oil temperature greater than 86°F (30°C), all spark plugs removed, both power output stage connectors disconnected and throttle wide open.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | 10.3:1 Compression Pressure | |
| Normal | 128-199 psi (9-14 kg/cm2 ) | |
| Minimum | 109 psi (7.7 kg/cm2 ) | |
| Maximum Variation Between Cylinders | 44 psi (3.1 kg/cm2 ) | |
RENDER: 1.0x
NO RELATED
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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.