EcoTec 4.3L V6 | Chevy Silverado and GMC Sierra Forum

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

3

201

Ecotec 4.3 swap to a Ecotec 5.3

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38

17K

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

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433

Kn intake 4.3 v6

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1K

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

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20

661

GM 4.3 Liter V6 EcoTec3 LV3

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322

7

400

V6 to V4 shaking

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30

13K

eco v6 question. mine is a 2018 v6

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257

K&N Aircharger Intake

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621

by Bradley21sanders

2016 4.3L V6 Silverado 1500

1

477

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

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31

2K

reading oil level

12

2K

Cylinder 1 misfire

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20

2K

4.3 ecotec to 5.3

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660

2 3

41

9K

upgrade truck but a V-6 ?

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20

2K

by hatzie

Seepage/leakage normal?

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1K

by Scrapyard John

4.3L V6 towing weight

13

2K

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

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2K

by MIsugarChevy

4.3 Ecotec3 running rough

11

2K

Rough Idle during HOT weather not COLD????

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2K

Likely AFM issue ☹️?

18

2K

ECO 4.3 vs GMC Acadia

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775

New 2019 Silverado WT - did a scan & pulled a P0562 code

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2K

Anyone know the wheel hp of the 4.3?

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2K

by Contra

new ecotec 4.3 l vs ecotec 5.3l real life gas mileage

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34

55K

Diablo Intune 2014 4.3 V6

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3K

by fryr

2

646

engine idle rough and turn AC on and it gets worst

3

917

Dealer put too much oil in engine

19

6K

Regular vs premium

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8K

Oil pressure sensor screen on 4.3?

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2K

chicago cold- truck barely starts, runs rough, then dies

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784

by wfodfd

JBA Headers install

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2K