Operation CHARM
: Car repair manuals for everyone.
Home
>>
Saturn
>>
2007
>>
ION L4-2.2L
>>
Repair and Diagnosis
>>
Maintenance
>>
Tune-up and Engine Performance Checks
>>
Compression Check
>>
Specifications
Compression Check: Specifications
The lowest reading cylinder should not be less than 70 percent of the highest.
No cylinder reading should be less than 689 kPa (100 psi).