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Model:<br />

Year:<br />

Voyager 2,413,313,8 Grand Voyager 2,413,313,8<br />

1998<br />

Engine code: EDZ, EGA, EGM, EGH<br />

System: SBEC Ill<br />

General information<br />

Refer to the front of this manual for general test conditions,<br />

terminology, detailed descriptions of wiring faults and a<br />

general trouble shooter for electrical and mechanical faults.<br />

Accessing and erasing<br />

The engine control module (ECM) fault memory can only be<br />

accessed and erased using diagnostic equipment<br />

connected to the data link connector (DLC).<br />

<strong>Trouble</strong> code identification - EOBD type<br />

EOBD I Fault location I Probable cause<br />

type<br />

I I<br />

PO I Refer to EOBD trouble code table<br />

-<br />

P1290<br />

PI294<br />

P1391<br />

Compressed natural gas pressure sensor -pressure high<br />

Idle speed control (ISC) system - rpm lowerlhigher than<br />

expected<br />

Crankshaft position (CKP) sensorlcamshaft position<br />

(CMP) sensor - intermittent signal<br />

PI 398 Engine control module (ECM) - misfire detection limit Wiring, poor connection, CKP sensor<br />

reached<br />

Engine management<br />

Pi486 Evaporative emission (EVAP) system - blockage Hose connection(s), hose blockedltrapped,<br />

detected EVAP canister<br />

P1491<br />

P1492<br />

Engine coolant blower motor relay - lowlhigh speed<br />

Battery ambient temperature sensor - voltage high<br />

Compressed natural gas system, wiring,<br />

compressed natural gas pressure sensor<br />

Wiring, air leak, throttle valve tightlsticking,<br />

IAC valve<br />

Wiring, poor connection, air gap, CKP sensor,<br />

CMP sensor<br />

Wiring open circuitlshort circuit, engine coolant<br />

blower motor relay - lowlhigh speed<br />

Wiring, battery ambient temperature sensor<br />

P1493 1 Battery ambient temperature sensor - voltage low I Wiring, battery ambient temperature sensor

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