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 QUATTRO SPORT V6-2.8L (AAH)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDIAGRAMSWITH AUTOMATIC TRANSMISSIONWITHOUT EXHAUST GAS RECIRCULATION
1995 Audi 90 Quattro Sport V6-2.8L (AAH)
Without Exhaust Gas Recirculation
1995 Audi 90 Quattro Sport V6-2.8L (AAH)SECTION Without Exhaust Gas Recirculation
Automatic transmission vehicles with EVAP system and without Exhaust Gas Recirculation (EGR)
1 - Vacuum brake booster
2 - Check valve
3 - Vacuum amplifier
4 - Vacuum unit for intake manifold change-over valve
5 - Intake manifold
6 - Ignition coils
7 - Vacuum reservoir for intake manifold change-over valve
8 - Fuel presure regulator
9 - Intake manifold change-over valve
10 - Air cleaner
11 - EVAP canister
12 - EVAP canister purge regulator valve
13 - Vacuum supply for solenoid valves
14 - Vent Connection
15 - Throttle body
16 - Noise damper
17 - Vacuum connection for A/C and/or differential lock
18 - Vent Connection
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.