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

Starter Reliability / Change starter while Pulling a 5.3Lengine?

0

54

'06 Envoy Denali LH6 (5.3) to LQ4 Swap (6.0)

3

2K

Lh6 performance

2

3K

by Feb05TbBubba2EXT

4.2L V6 Swap to 5.3L V8

8

26K

Envoy V8 Turbo. Good idea?

1

338

4.2 to 5.3 Swap In Progress

2

27

49K

8

6K

by Ravalli Surfer

Ecu/tcu tune issues

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326

by EnvoyBoy2004

Cranks but won't start

8

6K

by WashedNScrewed

2004 GMC Envoy 5.3L : Timming Chain

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364

by Cheep

Changing Spark Plugs on 5.3 L engine

2 3

42

49K

Official Thread: CAN 5.3L SWB Scangauge Codes...

2

20

11K

Low oil pressure / stop engine warning

2

29

56K

Tuned up 5.3 Plugs Wires and Coils

6

2K

by antraw

REV Ignition coils for 5.3 LH6

3

1K

Installed an oil catch can

2

2K

My TB build draft. Opinions welcome and appreciated

2

772

So tired of reading, which tuner for dod disable

9

3K

by 1320

AFM all 5.3 engines

5

3K

by Cheep

Predator 2 tuner

2

1K

What can I do to improve Gas MPG on my 06 Denali.

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985

3

1K

Rainier Cold Air Intake.

4

2K

2003 trailblazer ext click won’t start

1

672

Do the pros of AFM delete outway negatives? If any?

3

3K

by Rain

Looking like I'm doing the AFM delete sooner than expected.

0

839

by Rain

Engine over heating after highway speeds

2

2K

by rcf64

Engine started after connecting battery cable and no key in the steering column

2

1K

Sudden loss of power for 2006 Trailblazer 5.3 AFM engine

3

2K

Cylinder Miss Fire

1

834

P0601 Code - Have questions

4

2K

LM4 to Replace {swap} where a LH6 w/ DOD is?

3

2K

by Supercharged111

Turned off DoD/AFM, better economy/power?

4

2K

by Supercharged111

0

756

by Bigeye

/C pressure switch hookup for wideband in HPtuners

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575

by Fastmax32168