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

2008 LT I6 - TCM Location

7

9K

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

2 3

46

31K

tightening spark plugs

17

8K

by Ravalli Surfer

Crank but no start

1

114

by Ravalli Surfer

[SOLVED] Random misfiring

7

21K

by whydididothis

Vortec 4200 Injector location/Replacement

11

19K

by Ravalli Surfer

P0300 code killing me

8

8K

2008 TB LT 4.2L RWD

0

128

2003 Envoy SLT 4.2 Fuel Filter Change

3

2K

Rough, hard or heavy acceleration

1

153

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

348

by 266130

4.2L Turbo Kit?

2

34

67K

2 3

41

22K

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

402

Oil galleys for pressure sensor, turbo feed

10

4K

Code will not go away!! HELP!

7

2K

Replace TPS (throttle position sensor)

7

53K

Enigne wiring 4.2l

2

284

by [email protected]

HELP! P0300 after engine swap

4

1K

Gas Mileage improvements!!

2 3 4

73

46K

by Ravalli Surfer

Rough shut down

11

2K

05 Trailblazer I6 engine oil leak

1

905

[SOLVED] Envoy falls on its face.

18

4K

Swap 08 2WD Body to 08 4WD Frame

0

252

Swapping out 4.2 for 4.2 and gears question

0

331

by BlueC7

Another p0171 thread

1

257

another P0300 thread

5

559

by Ravalli Surfer

DTC P0300 Random Misfire

2

26

56K

0

507

Fuel smell when parked in garage

1

820

After market motor mounts

1

1K