4.3 GMC Sierra engine

timer Asked: Nov 9th, 2013
account_balance_wallet $5

Question Description

4.3 GMC engine starts good idles perfect have checked it on scanner 3 times and it says everything is working fine shows no codes catalytic converters have been repaired new fuel pump and filter,EGR valve is good fuel body is good , have had it to the garage 6 times with no change in results above 1500 she coughs through the air chamber and fuel body. would anyone please help me

Tutor Answer

School: Rice University

this sound like back fair if its an old 4.3 could be wrong firing order bad fuel mixer if new 4.3 could be burnt or bind valves crack intake manifold .if you need more help i need more info what year and model is it 4.3 vortec engine etc

flag Report DMCA

Goes above and beyond expectations !

Similar Questions
Hot Questions
Related Tags
Study Guides

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors