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p0300 low relative compression reading
#6 cylinder showed low compression on a relative compression test using pico. during a mechanical compression test it took about 8 revs to get to 150psi. I did a running compression with my vantage pro and a transducer test and every looked pretty normal excep... Login to read more.
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| Engine | 6.2 L |
| Trans | 6-speed Automatic (Electronic) |
Vehicle Data
2007 GMC Yukon Denali 6.2L
| Engine | 6.2 L |
| Trans | 6-speed Automatic (Electronic) |
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