Engine Compression

2002 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Engine Compression

Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.

ENGINE COMPRESSION SPECIFICATIONS

Application Specification
Normal Compression Pressure psi (kPa)
1.8L (1) 218 (1500)
1.9L 185-205 (1276-1414)
3.5L
Aurora 140-170 (965-1172)
Intrigue (2)
4.0L & 4.6L 140-170 (965-1172)
All Others (3)
Minimum Compression Pressure
1.8L (1) 145 (1000)
1.9L 180 psi (1241 kPa)
3.5L
Aurora (4)
Intrigue (2)
4.0L & 4.6L (2)
All Others (3)
(1) No cylinder compression reading should be less than 15 psi (100 kPa) of highest compression reading.
(2) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 140 psi (965 kPa).
(3) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (690 kPa).
(4) Information is not available from manufacturer.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.