Chrysler Dodge Caravan 2002 Manual page 1280

RS
ENGINE 3.3/3.8L (Continued)
CONDITION
ENGINE LOSS OF POWER
ENGINE MISSES ON
ACCELERATION
ENGINE MISSES AT HIGH SPEED
POSSIBLE CAUSE
1. Dirty or incorrectly gapped plugs.
2. Contamination in fuel system.
3. Faulty fuel pump.
4. Incorrect valve timing.
5. Leaking cylinder head gasket.
6. Low compression.
7. Burned, warped, or pitted valves.
8. Plugged or restricted exhaust
system.
9. Faulty ignition coil(s).
1. Dirty or incorrectly gapped spark
plugs.
2. Contamination in Fuel System.
3. Burned, warped, or pitted valves.
4. Faulty ignition coil(s).
1. Dirty or incorrect spark plug gap.
2. Faulty ignition coil(s).
3. Dirty fuel injector(s).
4. Contamination in fuel system.
ENGINE 3.3/3.8L
CORRECTION
1. Clean plugs and set gap.
2. Clean system and replace fuel
filter.
3. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
4. Correct valve timing.
5. Replace cylinder head gasket.
6. Test compression of each
cylinder.
7. Replace valves.
8. Perform exhaust restriction test.
(Refer to 11 - EXHAUST SYSTEM -
DIAGNOSIS AND TESTING) Install
new parts, as necessary.
9. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
1. Clean spark plugs and set gap.
2. Clean fuel system and replace
fuel filter.
3. Replace valves.
4. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
1. Clean spark plugs and set gap.
2. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
3. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
4. Clean system and replace fuel
filter.
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