- exception of an error at start;
- the presence of fuel in the tank;
- is the engine ok?
- is the battery charged?
- Does the starter rotate at the required RPM?
Warning! If the fuel lines are to be removed, they must be cold cleaned beforehand.
CAUSE
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ELIMINATION METHOD
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Engine won't start or starts poorly
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No engine pre-glow
|
Check preheat system.
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No voltage at supply solenoid shut-off valve
fuel
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Connect a voltage monitor to the valve. Light-emitting diode
should light up, otherwise find a broken wire and repair.
|
Solenoid shut-off valve defective
|
Check the tightness of the installation and contact to the body. Alternately
turn the ignition on and off, the valve should click.
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Faulty fuel supply system
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Check fuel supply.
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Fuel lines bent, clogged, leaky, cracked
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Clean fuel lines.
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Clogged fuel filter
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Replace fuel filter.
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Tank vent blocked. Clogged fuel filter in
tank
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Clean.
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Faulty injectors
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Check the injectors, loosen the union nuts one by one,
checking the operation of the cylinders.
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Feed start time not adjusted
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Check the moment of the start of feeding, adjust.
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Faulty injection pump
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Install a new pump.
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Engine malfunctions at idle, at start
| |
Loose fuel hoses at the fuel pump and at the fuel
filter
|
Replace fuel hoses, secure with clamps, tighten
hollow bolts.
|
Faulty fuel supply system
|
Check fuel supply.
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Fuel lines bent, clogged, leaky, cracked
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Clean fuel lines.
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Clogged fuel filter
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Replace fuel filter.
|
Tank vent blocked. Clogged fuel filter in
tank
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Clean.
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Faulty injectors
|
Check the injectors, loosen the union nuts one by one,
checking the operation of the cylinders.
|
Feed start time not adjusted
|
Check the moment of the start of feeding, adjust.
|
Faulty injection pump
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Install a new pump.
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Fuel consumption too high
| |
Air filter dirty
|
Replace filter element.
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Leaky fuel system
|
Visually check all fuel lines (giving, returning,
injection), fuel filter and injection pump.
|
Clogged return line
|
Bleed the return line from the discharge line with air
pump to the fuel tank. Replace the throttle in the reverse hollow bolt
pipeline.
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The moment of the start of injection pump supply is not adjusted
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Adjust the start time.
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The control lamp of the preheating system does not light up
| |
Faulty incandescent lamp on the instrument panel
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Replace lamp.
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