DR ALL-TERRAIN Wartungshandbuch PDF herunterladen (Seite 95)

100

101

FUEL SYSTEM (DFI) 3-31

DFI System Troubleshooting Guide

Symptoms or Possible Causes Actions (chapter)

Fuel injector trouble Inspect (see chapter 3).

Throttle sensor trouble Inspect (see chapter 3).

Fuel pressure too low or too high Inspect (see chapter 3).

Inlet air pressure sensor trouble

Inspect (see chapter 3).

Water temperature sensor trouble

Inspect (see chapter 3).

Inlet air temperature sensor trouble Inspect (see chapter 3).

Fuel line clogged Inspect and repair (see chapter 3).

Fuel pressure too low or too high Inspect (see chapter 3).

Fuel pressure regulator trouble Inspect fuel pressure and replace fuel pump (see

chapter 3).

Crankshaft sensor trouble Inspect (see chapter 16).

Ignition coil trouble Inspect (see chapter 16).

Compression Low:

Spark plug loose Reinstall (see chapter 16).

Cylinder head not sufficiently tightened down Ti ghten (see chapter 5).

No valve clearance Adjust (see chapter 2).

Cylinder, piston worn Inspect and replace (see chapter 5).

Piston ring bad (worn, weak, broken or sticking ) Inspect and replace (see chapter 5).

Piston ring/groove clearance excessive Inspect and replace (see chapter 5).

Cylinder head gasket damaged Replace (see chapter 5).

Cylinder head warped Inspect and replace (see chapter 5).

Valve guide worn or stem seal damaged Inspect and replace (see chapter 5).

Valvespringbrokenorweak Inspect and replace (see chapter 5).

Valve not seating properly (valve bent, worn or

carbon accumulating on seating surface)

Inspect and repair or replace (see chapter 5).

Camshaft cam worn Inspect and replace (see chapter 5).

Hesitation:

Too low fuel pressure Inspect (see chapter 3).

Clogged fuel line Inspect and repair (see chapter 3).

Cracked or obstructed inlet air pressure sensor

hose

Inspect and repair or replace (see chapter 3).

Fuel pump trouble Inspect (see chapter 3).

Fuel injector trouble Inspect (see chapter 3).

Inlet air temperature sensor trouble

Inspect (see chapter 3).

Throttle sensor trouble

Inspect (see chapter 3).

Water temperature sensor trouble Inspect (see chapter 3).

Inlet air pressure sensor trouble Inspect (see chapter 3).

Loose injector connectors Remedy (see chapter 3).

Crankshaft sensor trouble Inspect or replace (see chapter 16).

Ignition coil trouble

Inspect or replace (see chapter 16).

Loose terminal of battery (–) cable or engine

ground lead

Inspect and repair (see chapter 16).

Delay of ignition timing Inspect crankshaft sensor and IC igniter in ECU

(see chapter 16).

Poor acceleration:

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 ... 593 594

Kommentare zu diesen Handbüchern

Keine Kommentare

DR ALL-TERRAIN Wartungshandbuch Seite 95

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Rasenmäher DR ALL-TERRAIN