Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Compression
Disconnect "BATT" terminal connector from distributor. Check compression pressure with engine warm, all spark plugs removed and throttle and choke valve wide open. Crank engine through 6 compression strokes before reading compression gauge.
| Application | Specification | |
|---|---|---|
| Compression Ratio | ||
| 1.6L | 9.0:1 | |
| 2.0L (VIN K) | 8.8:1 | |
| 2.0L (VIN M) | 8.0:1 | |
| 2.0L (VIN 1) | 9.0:1 | |
| 2.5L | 9.0:1 | |
| Compression Pressure | ||
| 1.6L (VIN 4) | 130-180 psi (9-12 kg/cm2 ) | |
| All Others | 100 psi (7 kg/cm2 ) min. | |
| Max. Variation Between Cylinders | Less than 30% | |
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.