OEM Issues | Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

Sticky Poor A/C at idle

20 21 22

421

217K

2002 Blower reistor module #52494707

17

5K

by josepherbert

4wd Issues....or maybe not

14

333

Signal switch,wipers won't work

1

73

06 TB EXT LT problem

2

32

1K

by Ravalli Surfer

How to replace the starter

2

24

91K

by Grodo

Exhaust leak, bolts backed out?! Reuse gasket?

1

135

by Ravalli Surfer

p2123, p2128 after fuel pump replaced

5

3K

What hose is this and what would it do to my TB if disconnected like this?

5

950

Weird Left Turn Signal Problem

2

128

Oil Leak from the engine plastic top cover and oil recomendations

2

32

1K

by pdcomm

Ongoing oil pressure issue and pickup bolt question.

0

114

Loud humming underneath truck

10

428

by dakota

RPM surges up and down and car jerks while driving

4

5K

Rear Diff Cover Help

6

178

Oil Consumption on the 4.2

2

20

574

Overdrive Slipped

Ock
9 mo ago

7

366

by Ock

Stupid Rusted Spare Tire Frame & Mystery Black Box...

4

441

tachometer needle not showing correct rpms

8

2K

Whining noise at start-up

18

11K

by Trailblazer Justin

Hard start after refueling

2

30

50K

05 Trailblazer P0300 p0340 problem

2

23

671

04 envoy rough idle and stall problem

2

21

43K

Liftgate control module problem

2

2K

by Ravalli Surfer

[SOLVED] P0411 Code

2

31

54K

by mviuf

05 Trailblazer- Rough Running engine after replacing #6 injector

4

2K

by Schaf

Fuel Pressure Regulator and Vaccuum Line

2

24

44K

05 GMC Envoy 4.2 I6 codes (P231 & P0410)

1

143

[SOLVED] Bad vibration in gear at idle solved by new motor mounts

2 3 4

76

76K

Intermittent stall at idle.

12

8K

Noise from under cam cover...

3

7K

by Morgstevenson

2006 4.2 Thermostat location?

4

195

by EnvoyBoy2004

2007 Envoy P0303/P0300 codes at high way speeds.

1

116

Camshaft Position Sensor

14

41K

Noisy engine + P0105 code: What could it be?

10

289

9

1K