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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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Engine management1<br />

Hex type <strong>Fault</strong> location / Probable cause<br />

A0<br />

B8 1<br />

B A<br />

B B<br />

Evaporative emission (EVAP) system - small leak<br />

detected<br />

Evaporative emission (EVAP) system - large leak<br />

detected<br />

Cylinder 5 - misfire detected<br />

/ Cylinder 6 - misfire detected<br />

Evaporative emission (EVAP) leak detection pump<br />

solenoid<br />

Evaporative emission (EVAP) leak detection pump -<br />

pressure switch<br />

Engine control module (ECM) - misfire detection limit<br />

reached<br />

Evaporative emission (EVAP) system - blockage<br />

detected<br />

Hose connection(s), intake leak, EVAP canister,<br />

EVAP canister purge valve<br />

Hose connection(s), intake leak, EVAP canister,<br />

EVAP canister purge valve<br />

Wiring, engine mechanical fault, ignitionlfuel<br />

system, injector<br />

Wiring, engine mechanical fault, ignitionlfuel<br />

system, injector<br />

Wiring open circuit/short circuit, hose leak1<br />

blockage, EVAP leak detection pump solenoid<br />

Wiring, hose leaklblockage, EVAP leak detection<br />

Wiring, poor connection, CKP sensor<br />

Hose connection(s), hose blockedltrapped,<br />

EVAP canister<br />

BE 1 Compressed natural gas pressure sensor - pressure high Compressed natural gas system, wiring,<br />

compressed natural gas pressure sensor<br />

CO I Heated oxygen sensor (H02S) 1, bank 1 -slow response ] Wiring, heating inoperative, H02S<br />

-a,Engme management 199

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