...runs rough a little rich could it be timing Sounds like you might have a bad fuel pressure regulator.You can check it by pulling the vacuum hose off it and if you see any fuel run out then the ...
...runs rough then stalls when 1998 GMC Sierra with 5.7 vortec. runs rough then stalls when stepping on accelerator. Have put on new fuel pump, new fuel pressure regulator, new fuel pump relay, new air ...
...runs rough at idle also new fuel regulator .motor will not start now, and kicks back on starter. will the cpi unit cause it not to run or is it just the cause of rough idle? I AM LOOKING AT TIMING ...
runs rough it seems to be ok at hiway speeds but at an idle it runs rough I have a 2000 gmc se 4x4 extended cab pickup about 140,000 miles Take the truck to an autoparts store and have them use a scan
rough through first and into second before smoothing out. Have replaced plugs, rotor, cap, fuel filter, pcv, exhaust system and transmission. What else can it be? Had a loose Distributor cap and spark
my 1992 gmc sierra truck started running very rough. It idles rough and losses power under load. I changed spark plugs and wires along with fuel filter. We put it on the code scaner and showes no ...
Runs rough till warmed up. Hesitates. I put a new Runs rough till warmed up. Hesitates. Surges. I put a new TPG on it, carb cleaner, new O2 sensor Ok, you got new 02 sensors, that is good, Now check ...
rough idle I have a 99 GMC Suburban I replaced the plugs,distribator cap,and roter button, and it is still running rough and now it gets a back fire when put into gear. I read codes says O2 sensor ...
runs extremly rough at idle runs great at speed runs extremly rough at idle .runs great at speed or under load 1994 5.7l tbi Has new cam ,lifters ,distr, plugs and wires IDLE POSITION CENSOR IT IS ON ...
Question about GMC Sierra
rough at idle, runs fine driving, smells rich in exsaust Check for vacuum leaks n (broken or leaking hoses; gaskets), bad EGR valve (plugged or stuck open) or raw gas running into the intake manifold
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