Workshop Manual

6E–529
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Cuts Out, Misses Symptom (Cont'd)
Step NoYesValue(s)Action
20 1. Check the PCV valve for proper operation. Refer to
Crankcase Ventilation System
.
2. If a problem is found, repair as necessary.
Was a problem found?
Verify repair Go to
Step 21
21 1. Check the transmission range switch circuit. Use a
Tech 2 and be sure the Tech 2 indicates that the
vehicle is in drive with the gear selector in drive or
overdrive.
2. If a problem is found, diagnose and repair the
transmission range switch as necessary (refer to
4L30-E Automatic Transmission Diagnosis
).
Was a problem found?
Verify repair Go to
Step 22
22 1. Check the following engine mechanical items.
Refer to
Engine Mechanical
for diagnosis
procedures:
B Low compression
B Sticking or leaking valves
B Worn camshaft lobe(s)
B Camshaft drive belt slipped or stripped
B Incorrect valve timing
B Worn rocker arms
B Broken valve springs
2. If a problem is found, repair as necessary.
Was a problem found?
Verify repair Go to
Step 23
23 1. Check for faulty motor mounts. Refer to
Engine
Mechanical
for inspection of mounts.
2. If a problem is found, repair as necessary.
Was a problem found?
Verify repair Go to
Step 24
24 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 butter
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
Contact
Technical
Assistance