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

At a loss with oil pressure

0

90

Periodic smoke from exhaust when cruising

13

9K

by 5.3 Periodic smoke

04 trailblazer rough idle, stalls at stoplight with ac

6

404

by GoodoleEnvoy

2004 trailblazer ext electrical issue

1

297

07 9-7x 5.3 battery drain within hours

2

239

2005 TB EXT 5.3 wont start, no click, ignition switch good battery good

0

304

by Captain ThirdGen

Is full synthetic oil okay in LH6 5.3L AFM engines??

1

481

03 TB Ext V8 Overheated, Heater stopped working, Steam/leak from connector tee HELP!!!

1

239

by hhsron

Strange Throttle Issues 2006 Envoy Denali

5

635

Missing something...

0

206

by 03V8

Failing ignition coils every three months!!! (moved to proper forum)

1

420

by 03V8

Reduced Engine Power Sensor

2 3 4

74

149K

Engine oil consumption

1

342

07 denali , Which valve cover?

1

340

Serviced my suspension and now more issues have started! HELP!

3

324

Vapor Cannister Purge Valve on a 5.3l V8

0

307

Where does wiring go under the hood for O2 sensor Bank 2 sensor 1?

3

466

by TinyT

2006 trailblazer 5.3 oil pressure sensor replacement

7

3K

Need an underhood fuse box/block

2

618

by antraw

Fusebox repairs

1

1K

by antraw

Aftermarket Alternator for high amps

6

897

by antraw

Power folding mirror module

1

374

by antraw

v8 o2 sensor bank 2 sensor 1 impossible to get out?

0

463

by teambleach84

SOLVED Crank No Start

6

768

by antraw

Cleaned not-so-dirty throttle body now p0300

3

2K

Transmission Solenoids?

0

290

Cant get starter out!! HELP

2

24

65K

URGENT- Engine misfire help needed

5

1K

3

773

by TB-Al

Big Parasitic Drain

4

694

by mddombrowski

AFM delete, with cam replacement

2

778

Headlight adjustment/aim screw

0

374

by evangelionhd

6

3K

1

371

by EnvoyBoy2004

Excessive Fan noise

6

1K

by okfoz