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

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EOBD trouble code table<br />

code<br />

PO290<br />

I<br />

FBUN location<br />

Cylinder 10 - contribution/balance fault<br />

PO291 I Injector 11 - circuit low I Wiring short to earth, injector, ECM<br />

PO292<br />

PO293<br />

PO294 1 Injector 12 - circuit low I Wiring short to earth, injector, ECM<br />

PO295<br />

PO296<br />

I<br />

Injector 11 - circuit high<br />

Cylinder 11 - contribut~onlbalance fault<br />

Injector 12 - circuit high<br />

Cylinder 12 - contributionlbalance fault<br />

I<br />

I<br />

Probable cause<br />

Wiring, fuel system, ECM<br />

Wiring short to positive, injector, ECM<br />

Wiring, fuel system, ECM<br />

PO297 1 Vehicle over-speed condition I Wiring, VSS, mechanical fault<br />

PO298<br />

PO299<br />

PO300<br />

PO301<br />

PO302<br />

PO303<br />

PO306<br />

PO307<br />

PO308<br />

PO309<br />

PO31 1<br />

PO312<br />

PO313<br />

PO314<br />

PO315<br />

I<br />

I<br />

Engine oil temperature too high<br />

Turbolsuper charger - low boost<br />

R<strong>and</strong>omlmultiple cylinder(s) - misfire detected<br />

Cylinder 1 - misfire detected<br />

Cylinder 2 - misfire detected<br />

Cylinder 3 - misfire detected<br />

Cylinder 4 - misfire detected<br />

Wiring<br />

Cylinder 5 - misfire detected<br />

Cylinder 6 - misfire detected<br />

Cylinder 7 - misfire detected<br />

Cylinder 8 - misfire detected<br />

Cylinder 9 - misfire detected<br />

Cylinder 10 - misfire detected<br />

Cylinder 11 - misfire detected<br />

Cylinder 12 - misfire detected<br />

Misfire detected - low fuel level<br />

Single cylinder misfire - cylinder not specified<br />

Crankshaft position system - variation not learned<br />

Misfire detected during start-up - first 1000 revolutions<br />

Rough road hardware not present<br />

short to positive, injector, ECM<br />

Wiring, fuel system, ECM<br />

Wiring, EOT sensor, mechanical fault<br />

Mechanical fault<br />

Spark plug(s), HT lead@), injector(s), ignition coil(+<br />

low compression, wiring<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

iniector, ECTIMAF sensor. ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

iniector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

iniector. ECTIMAF sensor. ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector, ECTIMAF sensor, ECM<br />

Fuel system, mechanical fault<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector<br />

Engine mechanical fault, wiring<br />

Engine mechanical fault, wiring, ignitionlfuel system,<br />

injector<br />

Wiring, ECM<br />

PO318 ( Rough road sensor signal A - circuit malfunction I Wiring, rough road sensor A, mechanical fault<br />

Rough road sensor signal B - circuit malfunction<br />

Crankshaft position (CKP) sensorlengine speed (RPM)<br />

sensor - circuit malfunction<br />

Crankshaft position (CKP) sensorlengine speed (RPM)<br />

sensor - rangelperformance problem<br />

Crankshaft position (CKP) sensorlengine speed (RPM)<br />

sensor - no siqnal<br />

Wiring, rough road sensor 6, mechanical fault<br />

Wiring, CKPIRPM sensor, ECM<br />

Air gap, metal particle contamination, insecure<br />

sensorlrotor, wiring, CKPIRPM sensor<br />

Wiring, CKPIRPM sensor, ECM

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