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.
2001 Toyota PriusFACTORY OEM SERVICE PROCEDURE
Engine Compression Specifications (4-Cylinder)
ENGINE COMPRESSION SPECIFICATIONS (4-CYLINDER)
| Application | Specification | ||||||
|---|---|---|---|---|---|---|---|
| Normal Compression Pressure | |||||||
| Camry | |||||||
| CNG Models | 252 psi (17.7 kg/cm2 ) | ||||||
| Gasoline Models | 178 psi (12.5 kg/cm2 ) | ||||||
| Camry Solara | 178 psi (12.5 kg/cm2 ) | ||||||
| Celica | |||||||
| 1.8L (1ZZ-FE) | 218 psi (15.3 kg/cm2 ) | ||||||
| 1.8L (2ZZ-GE) | 203 psi (14.3 kg/cm2 ) | ||||||
| Corolla | 218 psi (15.3 kg/cm2 ) | ||||||
| ECHO | 213 psi (15.0 kg/cm2 ) | ||||||
| Highlander | 198 psi (13.9 kg/cm2 ) | ||||||
| MR2 | 184 psi (13.0 kg/cm2 ) | ||||||
| Prius (2) | 106 psi (7.4 kg/cm2 ) | ||||||
| RAV4 | 184 psi (13.0 kg/cm2 ) | ||||||
| Tacoma | 178 psi (12.5 kg/cm2 ) | ||||||
| Minimum Compression Pressure | |||||||
| Camry | |||||||
| CNG Models | 202 psi (14.2 kg/cm2 ) | ||||||
| Gasoline Models | 142 psi (10.0 kg/cm2 ) | ||||||
| Camry Solara | 142 psi (10.0 kg/cm2 ) | ||||||
| Celica | |||||||
| 1.8L (1ZZ-FE) & 1.8L (2ZZ-GE) | 145 psi (10.2 kg/cm2 ) | ||||||
| Corolla | 145 psi (10.2 kg/cm2 ) | ||||||
| ECHO | 156 psi (11.0 kg/cm2 ) | ||||||
| Highlander | 142 psi (10.0 kg/cm2 ) | ||||||
| MR2 | 145 psi (10.2 kg/cm2 ) | ||||||
| Prius | 77 psi (5.4 kg/cm2 ) | ||||||
| RAV4 | 145 psi (10.2 kg/cm2 ) | ||||||
| Tacoma | 128 psi (9.0 kg/cm2 ) | ||||||
| Maximum Variation Between Cylinders | |||||||
| Camry & Camry Solara (1) | 14 psi (1.0 kg/cm2 ) | ||||||
| Celica | |||||||
| 1.8L (1ZZ-FE) | 14 psi (1.0 kg/cm2 ) | ||||||
| 1.8L (2ZZ-GE) | 16 psi (1.1 kg/cm2 ) | ||||||
| Corolla, ECHO, Highlander, MR2, Prius, RAV4 & Tacoma | 14 psi (1.0 kg/cm2 ) | ||||||
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Factory Service Tools
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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.
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