Fuel System Check
Fuel System CheckDescription
It conform leak of fuel. Accelerating of engine raise fuel pressure and it will be leaks more.
Over lock it.
It comprise following pipes and etc.
- Between injectors and fuel rail.
- Between fuel rail and fuel supply pump.
- Between fuel supply pump and fuel filter.
- Between fuel filter and fuel tank.
- Between pressure limiter and fuel tank.
Diagnostic Aids
Check the following items.
- Air in the fuel line
- Clogged fuel filter
- Fuel pipe malfunction (Crushing, breakage, clogging, disconnection, etc.)
- Fuel tank malfunction
- Injector malfunction
- Fuel supply pump malfunction
- Pressure limiter malfunction
An intermittent may be caused by a poor connection, rubbed-through wire insulation or a wire broken inside the insulation. Check for poor connections or a damaged harness.
Inspect the ECM harness and connector for improper mating, broken locks, improperly formed or damaged terminals, poor terminal-to-wire connection, and damaged harness.
ECU may set a any DTC, if there is adequate air in fuel line.
Schematic Reference: Engine Controls Schematics
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