With a flashight you have to watch the spray pattern of each injector. Your looking for a fine cone shaped spray. At least that's what I was taught.
They are inside the fuel rail on the drivers side of the engine. Fairly big job to get to them. www.trailvoy.com Trailblazer enthusiasts forum
where is the O2 sensor on a 2002 chevy trailblazer
2002 Chevy trailblazer has a 6 lug bolt
If you have spark on #4 it is probably a faulty fuel injector.
Bad spark plugs, coils are coil, bad injector. Cam are crankshaft sensor
Chevrolet TrailBlazer was created in 2002.
Where is the location of the cooling fan sensor on a 2002 Chevy Trailblazer? Also what is the 800 number for Chevy?
How do you change the spark plugs on a 2002 chavy trailblazer
How do you replace a throttle body on a trailblazer 2002
4l60e
Nope!!!
on your trailblazer dose it have touch button 4x4 if so have a look at the side of trany there mit be a motor there under a side cover that you have to replace or the switch it self has to be replaced