Chevy Trailblazer spark plug replacement 4.2 I6
10:02
The Truth About Buying a Used Chevy
15:16
2004 Trailblazer 4.2 Spark Plug and coil Change - DIY in under an hour!
11:30
How to Replace 2004 GMC ENVOY SPARK PLUGS
10:32
Changing spark plugs on 05 Chevy Trailblazer 4.2L
11:40
Chevy Spark Plug Trick YOU DON'T KNOW THIS! Until now...
12:47
2006 Trailblazer I6 4 2L P0171 Diagnosis and Air Intake manifold gasket repair
10:32
How To Change 2014-2018 Silverado Sierra 5.3 6.0 6.2 Spark Plugs (3rd Gen)
12:33