Question about 2002 Chevrolet Tahoe
My 66 mustang lopes up and down, I have to crank down a high idle to keep it from stalling . I disassembled the carburetor, it did not require much cleaning at all. A simple basic heat choke, vac secondary's Holley 4150. Replaced all the gaskets quite correctly and now I wonder if my idle is related to my work or the choke, floats levels etc needs adjustments. Some one told me adjust the timing but I think that will not help. Any ideas friends? https://www.youtube.com/watch?v=ZIaYBUPo-vQ
High idle can be associated from a vacuum leak in the system- brake booster hose loose---vent hose cracked /broken or not connected. Check for broken gasket from manifold to carby. Check that the vacuum hose for the distributor is connected and not cracked
Posted on Aug 24, 2013
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Posted on Jan 02, 2017
SOURCE: 1995 chev monte carlo high IDLE
what it basically sounds like is you have a vaccum leak. chances are either the vaccum line to the manifold is got a hole in it or your mps(manifold pressure sensor might be on the fritz) if you replaced the manifold gasket it was because you thought you were sucking air and you thought you were leaqning the fuel air mixture some how. take a look for the vaccum leak and i'm sure you will solve this problem... please rate this..thanks
Posted on Sep 01, 2008
SOURCE: idle too high on a 06 cobalt
when you clean it make sure that you hold the butterfly open so you can get the spots clean that need it. If there is anything in the way the butterfly will not close. Just a small bit of dirt will do this .
Posted on Dec 26, 2008
Vacuum leaks. Check all hoses and intake bolts. Leaking EGR or plugged PCV valve. Air filter plugged. Leaking head gasket. Worn timing chain. Camshaft lobes worn. Valves burned or leaking. Fuel idle control system or sensor. Good luck!
Posted on Jul 03, 2009
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