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Home >> Cadillac >> 2009 >> XLR V8-4.6L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications
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Compression Check: Specifications

The lowest reading should not be less than 70 percent of the highest reading.
Engine Compression Test 965-1172 kPa (140-170 psi)
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