5.3 vortec
05-07-2012, 03:26 PM
#1
Teching In
Thread Starter
Join Date: Mar 2012
Posts: 3
Likes: 0
Received 0 Likes
on
0 Posts
5.3 vortec i have a question that may have been answered on here before i have a 5.3 with a mild cam z06 springs with a th350 trans with a 2000 stall converter its in a 1986 chevy short wide truck it has been live tunned a couple of times runs strong but ever once in a while when i come to a stop it trys to die i have to pump the gas to keep it running and one more thing thats strange when i first start every time the rpms go to like 12-1400rpm with the eingine cold or hot it dosent matter please help me out.........
05-07-2012, 05:37 PM
#2
TECH Resident
iTrader: (4)
Join Date: Feb 2009
Location: Ohio
Posts: 784
Likes: 0
Received 0 Likes
on
0 Posts
I'm assuming its EFI?
Sounds like a possible IAC issue (stalling at stops, high idle) , or perhaps a VSS signal problem (stalling). Could also be a vacuum leak, MAF, or MAP issue. (high idle, stalling).
Sounds like a possible IAC issue (stalling at stops, high idle) , or perhaps a VSS signal problem (stalling). Could also be a vacuum leak, MAF, or MAP issue. (high idle, stalling).
