Isuzu 2000 Trooper UX, Руководство по ремонту

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6E–103
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Engine Cranks But Will Not Run
(Cont'd)
Step No Yes Value(s) Action
14 1. Ignition “ON.”
2. While the coil connectors are disconnected, touch
each coil connector’s ignition feed terminal with a
grounded test light (the ignition feed wire is black
with orange tracer).
Did the test light illuminate?
— Go to Step 16 Go to Step 15
15 Repair the open ignition feed circuit.
Is the action complete?
— Verify repair —
16 While the coil connectors are disconnected, touch
each connector’s secondary ground terminal with a
test light to B +. (The ground wires are black.)
Did the test light illuminate at each coil connector?
— Go to Step 18 Go to Step 17
17 Repair the open secondary ground circuit.
Is the action complete? — Verify repair —
18 1. Test the fuel for contamination.
2. If a problem is found, clean the fuel system and
correct the contaminated fuel condition as
necessary. Replace the fuel filter and replace any
injectors that are not delivering fuel (see Injector
Balance Test).
Was a problem found? — Verify repair Go to
Step 19
19 1. Remove any ignition coil and install a spark tester at
the spark plug end of the coil.
2. Observe the tester while the engine is cranking.
Was a crisp, blue spark observed? Only one or two
sparks followed by no result is considered the same as
“No Spark.”
— Go to
Step 21
Go to
Step 20
20 Replace the ignition coil, and return to Step 19 to test
the remaining coils.
Is the action complete? — Verify repair —
21 Repeat Step 19 for each coil. Remove only one coil at a
time, and reinstall each coil on its spark plug after
testing, but do not refasten coils with screws at this
time.
After all coils have passed the spark test, does the
engine start?
—
Refasten all
coils with
their screws
Go to
Step 22
22 1. Remove the spark plugs from all cylinders.
2. Visually inspect the spark plug electrodes.
3. Replace any spark plugs with loose or missing
electrodes or cracked insulators.
Did your inspection reveal any spark plugs exhibiting
excessive fouling?
—
Correct the
fouling
condition Go to Step 23