CONTENTS
MOTION
ENGINE PERFORMANCE

ENGINE STUMBLES ON ACCELERATION

CONDITION(S)

• ENGINE STALLS OR STUMBLES ON ACCELERATION
• CAR HAS DIESEL ENGINE

POTENTIAL CAUSE(S)

CHECK THESE FIRST:

1. DIRTY OR IMPROPERLY GAPPED SPARK PLUGS
Clean or replace spark plugs.

2. INCORRECT IGNITION TIMING
Have ignition timing professionally adjusted.

3. CLOGGED FUEL FILTER
Replace fuel filter.

4. CLOGGED CARBURETOR JETS
Clean carburetor jets.

5. CLOGGED OR FAULTY FUEL INJECTORS
Have fuel injectors professionally replaced.

6. CLOGGED AIR CLEANER FILTER
Replace air cleaner filter.

7. LEAKING OR STICKING ENGINE VALVES
Have valve lash on mechanical lifters professionally adjusted.

8. WORN DISTRIBUTOR CAP OR ROTOR
Replace distributor cap or rotor.

CHECK THESE NEXT:

CHECK THESE LAST:

CONTENTS
ENGINE MISSES AT HIGH SPEED
ENGINE SURGES