Vortec 4800 4.8L V8 | Chevy Silverado and GMC Sierra Forum

Bad Idle/Misfires when Warm

2

114

by epeder

08 silverado just lost power

3

124

How many miles does everyone have on their 4.8L?

5 6 7

130

35K

Chev 4.8 ticking noise

2

39

3K

Motor knock 4.8L please help

2 3

52

32K

6

185

Oil Pressure Problems

8

195

2012 4.8l gmc sierra ticking noise around oil pan

3

125

Momentary Rough Idle at Initial Start Up

2

119

4

187

by 08Silverado0208

Misfire Problem

13

499

what is this part?

2

264

Throttle body noise??

1

195

7

302

2007 Silverado 1500 engine fan

6

212

Silverado 1500, 4.8, hard start after warm

4

377

Another 4.8L Question

7

326

U0073 Control Mod communication bus off

jc3
2 mo ago

0

168

by jc3

Overheating at stoplight

2 3

42

1K

by Gimme a Jimmy

rough idle after new plugs and wires

8

338

2001 Silverado 4.8 liter-antifreeze drips showing up...??

6

346

Random misfire flashing CEL

11

4K

by bdoc70

Engine serial number

2

273

mystery coolant leak

2 3

47

38K

by SierraHarley

Misfires, Mischief & Misery

0

274

by Mffl84

2009-2011(+?) 4.8L - do they have VVT?

2

319

P0335 Code -- 2007 Silverado 4.8

0

235

by Tron

Spark advance and Calc Load high?

5

277

5

311

2

32

1K

Really need help please. New fuel pump doesn't pump.

8

354

'01 4.8 1500 fuel pump diagnosis

5

363

Low oil pressure

10

570

New water pump but still leaking

14

529

Coolant keeps overflowing

6

310

by MacQ