POSSIBLE CAUSES 1. High or low oil level in crankcase. 2. Thin or diluted oil. 3. Low oil pressure. 4. Dirt in lash adjusters. 5. Worn rocker arms. 6. Worn lash adjusters 7. Worn valve guides. 8. Excessive runout of valve seats on valve faces. CORRECTIONS 1. Refer to LUBRICATION & MAINTENANCE/FLUID TYPES – SPECIFICATIONS.โฆ Read More »
POSSIBLE CAUSE 1. Spark plugs dirty or incorrectly gapped. 2. Faulty coil. 3. Dirt or water in fuel system. CORRECTION 1. Correct as necessary. 2. Refer to 8 – ELECTRICAU IGNITION CONTROUIGNITION COIL – REMOVAL. 3. Clean system and replace fuel filter.
POSSIBLE CAUSE 1. Spark plugs dirty or incorrectly gapped. 2. Dirt in fuel system. 3. Burned, warped or pitted valves. 4. Faulty coil. CORRECTION 1. Correct as necessary. 2. Clean fuel system. 3. Replace as necessary. 4. Refer to 8 – ELECTRICAU IGNITION CONTROUIGNITION COIL – REMOVAL.
POSSIBLE CAUSE 1. Dirty or incorrectly gapped spark plugs. 2. Dirt or water in fuel system. 3. Faulty fuel pump. 4. Blown cylinder head gasket. 5. Low compression. 6. Burned, warped or pitted valves. 7. Plugged or restricted exhaust system. 8. Faulty coil. CORRECTION 1. Correct as necessary. 2. Clean system and replace fuel filter.โฆ Read More »
POSSIBLE CAUSE 1. Dirty or incorrectly gapped spark plugs. 2. Idle mixture too lean or too rich. 3. Vacuum leak. 4. Faulty coil. 5. Incorrect engine timing. CORRECTION 1. Correct as necessary. 2. Refer to Powertrain Diagnosis Information. 3. Inspect intake manifold and vacuum hoses, repair or replace as necessary. 4. Refer to 8 –โฆ Read More »
POSSIBLE CAUSE 1. Weak battery 2. Corroded or loose battery connections. 3. Faulty starter. 4. Faulty coil or control unit. 5. Incorrect spark plug gap. 6. Dirt or water in fuel system. 7. Faulty fuel pump, relay or wiring. CORRECTION 1. Charge or replace as necessary. 2. Clean and tighten battery connections. Apply a coatโฆ Read More »