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Trouble Godes - diagramas.diagram...

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Model: A2 A31S3 80 1,612,0/2,612,8 80 1,9 TDI (07193 -+) A41S4<br />

1001A6 1,8/2,0/2,6/2,8/4,2 A6 2,s TDI A6/S6/Allroad A81S8<br />

CoupeICabriolet 1,8/2,0/2,612,8 Cabriolet 1,9 TDI lT<br />

--<br />

VAG type<br />

5-digit<br />

EOBD type<br />

-<br />

Fault location<br />

Heated oxygen sensor (H02S) - lambda<br />

control<br />

Probable cause<br />

AUDI<br />

Engine management 1<br />

- Heated oxygen sensor (H02S) 2 - Wiring, H02S, heating inoperative, fuel level low<br />

implausible signal<br />

-<br />

-<br />

-<br />

Power steering pressure (PSP)<br />

switch - short to earth<br />

Exhaust gas recirculation (EGR) - control<br />

difference<br />

Mixture control (MC)<br />

- I Intake manifold pressure<br />

-<br />

-<br />

-<br />

-<br />

-<br />

-<br />

-<br />

Knock control, cylinder 1 - control limit<br />

exceeded<br />

Knock control, cylinder 2 - control limit<br />

exceeded<br />

Knock control, cylinder 3 - control limit<br />

exceeded<br />

Knock control, cylinder 4 - control limit<br />

exceeded<br />

Knock control, cylinder 5 - control limit<br />

exceeded<br />

Knock control, cylinder 6 - control limit<br />

exceeded<br />

CO adjustment, heating inoperative,<br />

intakelexhaust leak, misfire, fuel level low, fuel<br />

pressurelpump, injector(s), EVAP canister purge<br />

valve, MAP sensor, MAF sensor filament burn-off,<br />

wiring, H02S<br />

Wiring short to earth, PSP switch<br />

Intake leak, EGR valveisolenoid<br />

<strong>Trouble</strong> codes 00525100533 stored, fuel level low,<br />

fuel pressurelpump, intakelexhaust leak, misfire,<br />

MAP sensor, MAF sensor filament burn-off,<br />

H02S, EVAP canister purge valve, injector(s),<br />

excessive fuel in engine oil<br />

lntake leaklblockage, MAF sensor, MAP sensor,<br />

TC wastegate actuatorlregulating valve, hoses<br />

interchangedlnot connected, wiring<br />

Fuel pressure, misfire, intake leak, injector(s)<br />

Fuel pressure, misfire, intake leak, injector(s)<br />

Fuel pressure, misfire, intake leak, injector(s)<br />

Fuel pressure, misfire, intake leak, injector(s)<br />

Fuel pressure, misfire, intake leak, injector(s)<br />

Fuel pressure, misfire, intake leak, injector(s)<br />

Exhaust gas recirculation temperature Wiring, EGRT sensor<br />

(EGRT) sensor<br />

- I Exhaust gas recirculation (EGR) system - EGR solenoid<br />

control I<br />

-- -<br />

- I Ignition amplifier,primary%cuit 1- W~ring, ignition amplifier<br />

1 ;<br />

- I Ignition amplifier, primary circuit 2 I Wiring, ignition amplifier<br />

-<br />

-<br />

-<br />

-<br />

Ignition amplifier, primary circuit 3<br />

AC signal - compressor cut-in<br />

Vehicle speed signal<br />

Glow plug warning lamp<br />

-<br />

Fuel filter water level sensor<br />

- Fuel injection pump control module -<br />

engine stop malfunction<br />

I<br />

I<br />

Wiring, ignition amplifier<br />

Wiring, AC system<br />

Wiring, speedometer, VSS<br />

Wiring, glow plug warning lamp<br />

Water in filter, wiring, fuel filter water level sensor<br />

Wiring, fuel injection pump<br />

-<br />

Heated oxygen sensor (H02S) 1,<br />

bank 1 - heater circuit malfunction<br />

Wiring, H02S<br />

- ECMITCM electrical connection Wiring, transmission fault<br />

- I Oxygen sensor heater relay I Wiring, oxygen sensor heater relay

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