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.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 13 (ENGINE CONTROLS - BASIC DIAGNOSTIC PROCEDURES - 4-CYLINDER)PRELIMINARY INSPECTION & ADJUSTMENTSMECHANICAL INSPECTIONCOMPRESSION (TACOMA)
2004 Toyota Matrix XR, FWD, Standard
Compression (Tacoma)
2004 Toyota Matrix XR, FWD, StandardSECTION Compression (Tacoma)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Toyota Tacoma, 2002 Toyota RAV4, 2002 Toyota Prius, 2002 Toyota MR2, and 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- Warm engine to normal operating temperature before checking the compression. Remove intake air connector for access to spark plugs. Intake air connector fits between air cleaner hose and throttle body.
- Disconnect electrical connectors at ignition coils. Remove ignition coils and spark plugs. Using compression gauge, check compression with throttle fully open. Read compression in a short a time as possible. Ensure compression is within specification. See COMPRESSION SPECIFICATIONS table. Install and tighten spark plugs to 15 ft. lbs. (20 N.m) and ignition coil retaining bolts to 66 INCH lbs. (7.5 N.m).
COMPRESSION SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Normal Compression Pressure | |||
| Camry & Camry Solara | 198 psi (13.9 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 | 106 psi (7.4 kg/cm2 ) | ||
| RAV4 | 184 psi (13.0 kg/cm2 ) | ||
| Tacoma | 178 psi (12.5 kg/cm2 ) | ||
| Minimum Compression Pressure | |||
| Camry & 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 | 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 ) | ||
RENDER: 1.0x
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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.