EcoTec 4.3L V6 | Chevy Silverado and GMC Sierra Forum

0-30 motor oil

5

420

Surging idle once in a blue moon

3

216

Need Torque Specs/sequence for Ecotec3 LV3 4.3L V6

2

2K

by davester3500

P2119 Throttle Closed Position Performance

4

269

by Leveled17yeti

2014 Silverado Drive Cycle(4.3 LV3 GENV)

4

420

Voltage regulator

11

437

by davester3500

Which fuel?

2

20

805

4.3L chopped 327 or 350?

5

461

by Chirping Sierra

Radiator replacement

6

461

P0325

1

448

by CarParts.com

Need more power

8

734

by 02-Z71

Cylinder 1 misfire

2

21

3K

2017 GMC Sierra HELP PLEASE engine shut down crank no start loose negative battery terminal

3

629

Ecotec 4.3 swap to a Ecotec 5.3

2

38

18K

Cylinder 1 and random misfire....can't diagnose!! Tried everything.

4

795

Kn intake 4.3 v6

9

2K

How can I tell if my V6 has cylinder deactivation or not?

2

20

2K

GM 4.3 Liter V6 EcoTec3 LV3

1

705

1200 vibration

7

720

V6 to V4 shaking

2

30

14K

eco v6 question. mine is a 2018 v6

1

553

K&N Aircharger Intake

10

1K

by Bradley21sanders

2016 4.3L V6 Silverado 1500

1

790

80k 4.3L Ecotec is blown. $9k Repair bill. Seeking options and advice

2

31

3K

reading oil level

12

3K

4.3 ecotec to 5.3

2

892

Your Miles

2 3

41

10K

upgrade truck but a V-6 ?

2

20

2K

by hatzie

Seepage/leakage normal?

9

1K

by Scrapyard John

4.3L V6 towing weight

13

3K

Thinking of a New or Newer 4.3 Chevy 1500 - Towing and DD

10

3K

by MIsugarChevy

4.3 Ecotec3 running rough

11

2K

Rough Idle during HOT weather not COLD????

6

3K

Likely AFM issue ☹️?

18

2K

ECO 4.3 vs GMC Acadia

5

1K