Looked at a used 2015 today. The second owner has put about 250 of the 1150 total miles on it. I have no info from 1st owner. I took a compression tester but was unable to remove the plugs. There was no way to get a socket on the plug down in the recessed area it’s in. I did pull the air filter and found black soot like residue in the intake. The zforce looked to be well cared for and seemed tight. I drove it around some and didn’t hear any popping from the axles on tight turns. The engine started and ran with no issues. No oil or coolant leaks.
I didn’t pull the trigger on it because I couldn’t do a compression check. Is the sooty material significant?How do you guys remove the plugs? Should it have a toolkit with a spark plug tool that will fit in that plug well it sits in?