Base Engine Misfire with Abnormal Valve Train Noise
WARNING: This page is about a different car, the 2004 Suzuki Swift + and 2004 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Base Engine Misfire with Abnormal Valve Train Noise
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Is a light tapping sound heard from the engine? | Go to Step 2 | System OK |
| 2 | Inspect the valve springs. Are the springs weak or broken? |
Go to Cylinder Head Disassemble | Go to Step 3 |
| 3 | Inspect the valves. Are the valves sticking or warped? |
Go to Cylinder Head Disassemble | Go to Step 4 |
| 4 | Inspect the valve lifters. Are the valve lifters dirty, stuck, or worn? |
Go to Cylinder Head Disassemble | Go to Step 5 |
| 5 | Inspect the camshaft lobes. Are the camshaft lobes damaged or improperly machined? |
Go to Camshaft Replacement | Go to Step 6 |
| 6 | Inspect the oil supply to the valve train. Is the oil supply insufficient or poor? |
Go to Cylinder Head Disassemble | Go to Step 7 |
| 7 | Inspect the valve guides. Are the valve guides worn? |
Go to Cylinder Head Disassemble | Go to Step 8 |
| 8 | Inspect the valve spring seat. Is the valve spring seat incorrect? |
Go to Cylinder Head Disassemble | System OK |