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Isuzu
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2004
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Axiom Base, RWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine DRIVEABILITY And Emissions - DTC P1237 To DTC U2104
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DTC P1248: Fuel Pump Relay Control Circuit Open
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Conditions For Setting The DTC
Conditions For Setting The DTC
Open counter is below 200.
Ignition "ON"
Fuel pump relay "OFF" (During in the Key OFF sequence etc.)
Ignition voltage is below 10.96V
No DTC's below set:
ROM (P0601)
RAM (P0604)