A4 Quattro Sedan L4-1.8L Turbo (AEB) (1998)
3
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Harness connector for:
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Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19- (4-pin, brown)
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Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) -G130- with Oxygen Sensor (O2S) heater -Z29- (4-pin, black)
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Engine speed (RPM) sensor -G28- (3-pin, gray)
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Knock sensor (KS) 1-G61 (3-pin, green)
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Knock sensor (KS) 2 -G66- (3-pin, blue)
4
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Electronics box (E-box) with:
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Motronic Engine Control Module (ECM) -J220-
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Barometric Pressure (BARO) sensor -F96-
5
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EVAP canister purge regulator valve -N80-
6
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Power output stage -N122-
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5-pin connector: signal wiring from ECM
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4-pin connector: coil primary circuit connections
7
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Mass Air Flow (MAF) sensor -G70-
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In upper air cleaner housing
8
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Wastegate bypass regulator valve -N75-
9
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Ignition coils
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Cylinder 1: -N-
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Cylinder 2: -N128-
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Cylinder 3: -N158-
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Cylinder 4: -N163-
10 -
Fuel injectors
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Cylinder 1: -N30-
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Cylinder 2: -N31-
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Cylinder 3: -N32-
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Cylinder 4: -N33-
11 -
Camshaft Position (CMP) sensor -G40-
12 -
Knock Sensor (KS) 1 -G61-
13 -
Knock Sensor (KS) 2 -G66-
14 -
Engine speed (RPM) sensor -G28-
(behind oil filter housing on engine cylinder block)
15 -
Intake Air - Temperature (IAT) sensor -G42-
16 -
Throttle valve control module -J338-
Including:
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Throttle drive -G186-
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Angle sensor 1 for throttle drive -G187-
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Throttle Position (TP) sensor -G69-
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Closed Throttle Position (CTP) switch -F60-