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Chevy Truck
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2011
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Express 1500 AWD V8-5.3L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Compression Check
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Specifications
Compression Check: Specifications
The minimum compression in any 1 cylinder should not be less than 70 percent of the highest cylinder
No cylinder should read less than 690 kPa (100 psi)