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Fuel line leak Restricted fuel line Fuel pump module circuit: high resistance Fuel pump module circuit: short circuit to ground Fuel pump module failure
P008800 Fuel rail/system pressure too high
Fuel rail pressure (FRP) sensor to ECM wiring FRP sensor to ECM sense circuit: short circuit to FRP sensor failure Fuel pressure control valve (FPCV) fault Fuel pump module circuit: short circuit to power Fuel pump module failure
For FRP sensor circuit tests and FPCV tests, Fuel Charging and Controls For fuel pump module circuit tests, GO to Pinpoint Test G552807p4. and GO to Pinpoint Test G552807p6.
P046000 Fuel level sender, signal range high
Fuel level sender signal circuit: high resistance Fuel level sender signal circuit: short circuit to Fuel level sender failure ECM failure
For fuel level sender and circuit tests, GO to Pinpoint Test G552807p3. and GO to Pinpoint Test G552807p11. Refer to the warranty policy and procedures manual if an ECM is suspect.
P046100 Fuel level sender, signal range low
Fuel level sender signal circuit: high resistance Fuel level sender signal circuit: short circuit to Fuel level sender failure ECM failure
For fuel level sender and circuit tests, GO to Pinpoint Test G552807p3. and GO to Pinpoint Test G552807p11. Refer to the warranty policy and procedures manual if an ECM is suspect.
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