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

10

2K

2003 Trailblazer relearn Phoenix

0

90

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

18

8K

What about auto light spark plugs?

11

6K

6

303

Locking fan clutch?

Ock
2 mo ago

1

120

Wire routing for downstream O2 sensor?

3

187

by Ravalli Surfer

Help, wierd little issues(Vibration, bad mpg)

2

27

7K

by 2009ChevyTB4.2l

Proper engine temp./.

2

34

52K

4.2L Turbo Kit?

2 3

40

70K

by pdcomm

Normal Engine Temp

5

3K

3

270

increase fuel pressure

5

264

2008 LT I6 - TCM Location

7

9K

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

2 3

46

32K

tightening spark plugs

17

9K

by Ravalli Surfer

Crank but no start

1

161

by Ravalli Surfer

[SOLVED] Random misfiring

7

22K

by whydididothis

Vortec 4200 Injector location/Replacement

11

20K

by Ravalli Surfer

P0300 code killing me

8

9K

2008 TB LT 4.2L RWD

0

179

2003 Envoy SLT 4.2 Fuel Filter Change

3

2K

Rough, hard or heavy acceleration

1

220

by TRAILBLAZERMANNYPA

Wiring Diagram Source

11

4K

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

549

by 266130

2 3

41

23K

by Dustinmccall

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

3 4 5

94

4K

by mikejenner972

2004 TB, 6-cyl. occasional miss

2

436

Oil galleys for pressure sensor, turbo feed

10

4K

Code will not go away!! HELP!

7

2K

Replace TPS (throttle position sensor)

7

54K

Enigne wiring 4.2l

2

321

by [email protected]

HELP! P0300 after engine swap

4

1K