Engine Tunes/Mods | Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

6

3K

06 Envoy XL electrical gremlin

4

222

Vacuum cleaner sound from air filter pipe

16

397

by Ravalli Surfer

10

2K

2003 Trailblazer relearn Phoenix

0

168

[SOLVED] '05 TB - How do you loosen the fan clutch nut?

18

9K

What about auto light spark plugs?

11

6K

6

398

Locking fan clutch?

Ock
4 mo ago

1

191

Wire routing for downstream O2 sensor?

3

237

by Ravalli Surfer

Help, wierd little issues(Vibration, bad mpg)

2

27

7K

by 2009ChevyTB4.2l

Proper engine temp./.

2

34

53K

4.2L Turbo Kit?

2 3

40

72K

by pdcomm

Normal Engine Temp

5

4K

3

356

increase fuel pressure

5

340

2008 LT I6 - TCM Location

7

10K

Putting an '06 Vortec 4200 into an '02 w/pix

2 3

46

33K

tightening spark plugs

17

9K

by Ravalli Surfer

Crank but no start

1

221

by Ravalli Surfer

[SOLVED] Random misfiring

7

23K

by whydididothis

Vortec 4200 Injector location/Replacement

11

20K

by Ravalli Surfer

P0300 code killing me

8

10K

2008 TB LT 4.2L RWD

0

242

2003 Envoy SLT 4.2 Fuel Filter Change

3

2K

Rough, hard or heavy acceleration

1

272

by TRAILBLAZERMANNYPA

Wiring Diagram Source

11

5K

Knock sensor code T/S

8

12K

P0300 2003 TB After Cam Sensor, Cam Solenoid and Thermostat Change

3

2K

What else can be done when replacing a head gasket?

6

739

by 266130

2 3

41

24K

by Dustinmccall

02 Fuel pump not 'humming' when ignition is turned on

3 4 5

94

5K

by mikejenner972

2004 TB, 6-cyl. occasional miss

2

482

Oil galleys for pressure sensor, turbo feed

10

4K

Code will not go away!! HELP!

7

2K