Chrysler 300M 2002 Service Manual page 944

LH
ENGINE 2.7L (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 coil(s).
1. Dirty or incorrectly gapped spark
plugs.
2. Contamination in Fuel System.
3. Burned, warped, or pitted valves.
4. Faulty coil(s).
1. Dirty or incorrect spark plug gap.
2. Faulty coil(s).
3. Dirty fuel injector(s).
4. Contamination in fuel system.
ENGINE 2.7L 9 - 7
CORRECTION
1. Set gap as needed or replace
plug(s).
2. Clean system and replace fuel
filter.
3. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
4. Correct valve timing as needed.
5. Replace cylinder head gasket.
6. Test compression of each
cylinder.
7. Replace valves.
8. Check exhaust system restriction.
Replace parts, as necessary.
9. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
1. Set gap as needed or replace
plug(s).
2. Clean fuel system and replace
fuel filter.
3. Replace valves.
4. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
1. Set gap as needed or replace
plug(s).
2. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
4. Clean system and replace fuel
filter.