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 MANUALSCHEVROLET1998METRO L4-079 1.3L VIN 2 MFIREPAIR AND DIAGNOSISSPECIFICATIONSPRESSURE, VACUUM AND TEMPERATURE SPECIFICATIONSCOMPRESSION CHECK
1998 Chevrolet Metro L4-079 1.3L VIN 2 MFI
Compression Check
1998 Chevrolet Metro L4-079 1.3L VIN 2 MFISECTION Compression Check
Engine Compression
Standard 1,400 kPa (199 psi) at 250 rpm
Minimum 1,100 kPa (156.4 psi) at 250 rpm
Maximum Cylinder Difference [1] 100 kPa (14.2 psi)
Engine Vacuum Pressure [2] 52.9-66.3 kPa (15.7-19.7 inch Hg)
Engine Oil Pressure [3] 323-421 kPa (46.9-61.1 psi)
[1] At 250 rpm.
[2] at 800 - 900 rpm.
[3] at 4,000 rpm.
Standard 1,400 kPa (199 psi) at 250 rpm
Minimum 1,100 kPa (156.4 psi) at 250 rpm
Maximum Cylinder Difference [1] 100 kPa (14.2 psi)
Engine Vacuum Pressure [2] 52.9-66.3 kPa (15.7-19.7 inch Hg)
Engine Oil Pressure [3] 323-421 kPa (46.9-61.1 psi)
[1] At 250 rpm.
[2] at 800 - 900 rpm.
[3] at 4,000 rpm.
RENDER: 1.0x
NO RELATED
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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.