Operation CHARM
: Car repair manuals for everyone.
Home
>>
Mazda
>>
1991
>>
Navajo 2WD V6-4.0L OHV
>>
Repair and Diagnosis
>>
Engine, Cooling and Exhaust
>>
Engine
>>
Compression Check
>>
Specifications
Compression Check: Specifications
Compression
If lowest reading is within 75 percent of highest reading, compression pressure is satisfactory.
For detailed testing procedure see Compression Test.