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Discussion Starter · #1 ·
Happy holidays all!

'13 LTZ 81k.

Going to do a compression check per the alldata procedure. Except it says remove the spark plugs on all banks, I only am doing bank 2 for right now, if I have time and motivation in the cold I may do bank 1, especially if I find issues with bank 2. But bank 2 is the bank I'm mostly having issues with anyway. So my question is, can I leave bank 1 spark plugs, coils, wires all installed? While doing the check on bank 2? I will have the fuel pump fuse pulled, ignition fuse, pcm relay and fuse. And whatever else they list on the spec sheet. I just want to make sure it's safe to leave one bank connected while I check the other? And it won't affect results?

Thanks!
 
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