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 MANAGEMENTEMISSION CONTROL SYSTEMSAPPLICATION AND ID
1995 Audi 90 Quattro Sport V6-2.8L (AAH)
Emission Control Systems: Application and ID
1995 Audi 90 Quattro Sport V6-2.8L (AAH)SECTION Application and ID
ENGINE DISPLACEMENT 2.8 Liter (2771 cc)
ENGINE MANAGEMENT SYSTEM MPI MFI with OBD
ENGINE VIN CODE [1]
FEDERAL EMISSIONS EQUIPPED J
CALIFORNIA EMISSIONS EQUIPPED K
EMISSION CONTROL DEVICES AND SYSTEMS:
CEC Computerized Engine Controls
EGR Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fill Pipe Restrictor
HO2S Dual Heated Oxygen Sensors
MFI Multiport Fuel Injection
MIL Malfunction Indicator Lamp (CHECK ENGINE)
PCV Positive Crankcase Ventilation
SPK Spark Control
TWC Dual Three-Way Catalytic Converters
AIR Secondary Air Injection, where applicable [2]
[1] 5th digit of Vehicle Identification Number (VIN). VIN plate mounted atop drivers side instrument panel, visible through windshield lower left corner.
[2] Vehicles that are equipped with Secondary Air Injection system can be identified by a black plastic hose that runs along the front of cylinder bank 1.
2.8 Liter (2771 cc)
Engine Management System MPI MFI with OBD
Engine VIN Code [1]
Federal Emissions Equipped J
California Emissions Equipped K
Emission Control Devices and Systems:
CEC Computerized Engine Controls
EGR Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fill Pipe Restrictor
HO2S Dual Heated Oxygen Sensors
MFI Multiport Fuel Injection
MIL Malfunction Indicator Lamp (CHECK ENGINE)
PCV Positive Crankcase Ventilation
SPK Spark Control
TWC Dual Three-Way Catalytic Converters
AIR Secondary Air Injection, where applicable [2]
[1] 5th digit of Vehicle Identification Number (VIN). VIN plate mounted atop drivers side instrument panel, visible through windshield lower left corner.
[2] Vehicles that are equipped with Secondary Air Injection system can be identified by a black plastic hose that runs along the front of cylinder bank 1.
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.