Workshop Manual

6E–508
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Hard Start Symptom (Cont'd)
Step NoYesValue(s)Action
12 1. Check for proper ignition voltage output with spark
tester J 26792 (ST-125). Refer to
Electric Ignition
System
for procedure.
2. If a problem is found, repair as necessary.
Was a problem found?
— Verify repair Go to Step 13
13 1. Remove spark plugs. Check for wet plugs, cracks,
wear, improper gap, burned electrodes, or heavy
deposits. Refer to Electronic Ignition System .
NOTE: If spark plugs are gas or oil fouled, the cause of
the fouling must be determined before replacing the
spark plugs.
2. If a problem is found, repair as necessary.
Was a problem found?
— Verify repair Go to Step 14
14 1. Check for a loose ignition coil ground and ION
Sensing module circuit.
2. If a problem is found, repair as necessary.
Was a problem found?
— Verify repair Go to Step 15
15 1. Remove the ignition coils and check the ignition
coils for cracks or carbon tracking.
2. If a problem is found, replace affected coil(s) as
necessary.
Was a problem found?
— Verify repair Go to Step 16
16 1. Check for the following engine mechanical
problems (refer to Engine Mechanical ):
B Low compression
B Leaking cylinder head gaskets
B Worn or incorrect camshaft
B Camshaft drive belt slipped or stripped
2. If a problem is found, repair as necessary.
Was a problem found?
— Verify repair Go to Step 17
17 1. Review all diagnostic procedures within this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:
B Visual/physical inspection
B Tech 2 data
B Freeze Frame data/Failure Records buffer
B All electrical connections within a suspected
circuit and/or system.
3. If a problem is found, repair as necessary.
Was a problem found?
— Verify repair
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