Dodge 2001 Ram 1500 Owner's Manual page 1321

9 - 174 ENGINE 8.0L
ENGINE 8.0L (Continued)
CONDITION
ENGINE LOSS OF POWER
ENGINE STALLS OR ROUGH IDLE
POSSIBLE CAUSES
1. Worn or burned distributor rotor
2. Worn distributor shaft
3. Worn or incorrect gapped spark
plugs
4. Dirt or water in fuel system
5. Faulty fuel pump
6. Incorrect valve timing
7. Blown cylinder head gasket
8. Low compression
9. Burned, warped, or pitted valves
10. Plugged or restricted exhaust
system
11. Faulty ignition cables
12. Faulty ignition coil
1. Carbon build-up on throttle plate
2. Engine idle speed too low
3. Worn or incorrectly gapped spark
plugs
4. Worn or burned distributor rotor
5. Spark plug cables defective or
crossed
6. Faulty coil
CORRECTION
1. Install new distributor rotor
2. Remove and repair distributor
(Refer to 8 - ELECTRICAL/IGNITION
CONTROL/DISTRIBUTOR -
REMOVAL).
3. Clean plugs and set gap. (Refer to
8 - ELECTRICAL/IGNITION
CONTROL/SPARK PLUG -
CLEANING).
4. Clean system and replace fuel filter
5. Install new fuel pump
6. Correct valve timing
7. Install new cylinder head gasket
8. Test cylinder compression (Refer to
9 - ENGINE - DIAGNOSIS AND
TESTING).
9. Install/Reface valves as necessary
10. Install new parts as necessary
11. Replace any cracked or shorted
cables
12. Test and replace, as necessary
(Refer to 8 - ELECTRICAL/IGNITION
CONTROL/IGNITION COIL -
REMOVAL).
1. Remove throttle body and
de-carbon. (Refer to 14 - FUEL
SYSTEM/FUEL INJECTION/
THROTTLE BODY - REMOVAL).
2. Check Idle Air Control circuit.
(Refer to 14 - FUEL SYSTEM/FUEL
INJECTION/IDLE AIR CONTROL
MOTOR - DESCRIPTION)
3. Replace or clean and re-gap spark
plugs (Refer to 8 - ELECTRICAL/
IGNITION CONTROL/SPARK PLUG -
CLEANING)
4. Install new distributor rotor
5. Check for correct firing order or
replace spark plug cables. (Refer to 8
- ELECTRICAL/IGNITION CONTROL/
SPARK PLUG CABLE - DIAGNOSIS
AND TESTING)
6. Test and replace, if necessary
(Refer to 8 - ELECTRICAL/IGNITION
CONTROL/IGNITION COIL -
REMOVAL)
BR/BE