Dodge 2000 DURANGO - Page 518

CONDITION POSSIBLE CAUSE CORRECTION
ENGINE LOSS OF POWER 1. Incorrect ignition timing. 1. Refer to Group 8D, Ignition
System.
2. Worn or burned distributor rotor. 2. Replace distributor rotor.
3. Worn distributor shaft. 3. Refer to Group 8D, Ignition
System.
4. Dirty or incorrectly gapped spark
plugs.
4. Refer to Group 8D, Ignition
System.
5. Dirt or water in fuel system. 5. Clean system and replace fuel
filter.
6. Faulty fuel pump. 6. Refer to Group 14, Fuel System.
7. Blown cylinder head gasket. 7. Replace cylinder head gasket.
8. Low compression. 8. Test compression, repair as
necessary.
9. Burned, warped or pitted valves. 9. Replace as necessary.
10. Plugged or restricted exhaust
system.
10. Inspect and replace as
necessary.
11. Faulty ignition cables. 11. Replace as necessary.
12. Faulty coil. 12. Refer to Group 8D, Ignition
System.
13. Incorrect cam timing. 13. Refer to Valve Timing in this
section.
ENGINE MISSES ON
ACCELERATION
1. Spark plugs dirty or incorrectly
gapped.
1. Refer to Group 8D, Ignition
System.
2. Incorrect ignition timing. 2. Refer to Group 8D, Ignition
System.
3. Dirt in fuel system. 3. Clean fuel system.
4. Burned, warped or pitted valves. 4. Replcae as necessary.
5. Faulty coil. 5. Refer to Group 8D, Ignition
System.
6. Incorrect cam timing. 6. Refer to Valve Timing in this
section.
ENGINE MISSES AT HIGH SPEED 1. Spark plugs dirty or incorrectly
gapped.
1. Refer to Group 8D, Ignition
System.
2. Worn Distributor Shaft. 2. Refer to Group 8D, Ignition
System.
3. Worn or burned distributor rotor. 3. Replace distributor rotor.
4. Faulty coil. 4. Refer to Group 8D, Ignition
System.
5. Incorrect ignition timing. 5. Refer to Group 8D, Ignition
System.
6. Dirt or water in fuel system. 6. Clean system and replace fuel
filter.
7. Incorrect cam timing. 7. Refer to Valve Timing in this
section.
DN 4.7L ENGINE 9 - 9
DIAGNOSIS AND TESTING (Continued)