2003 Chevrolet Silverado 1500 "8 rough idle" Questions

...8$ for cleaner at autozone and theres how to videos on you tube I had the same problem with my 2001 silverado 4.8L ext. cab. Chevy had trouble with the I.A.C. (Idle Air Control valve). Carbon-soot ...

8-4-3-6-5-7-2 is for a V8 1-6-5-4-3-2 is for a v6 My 96 chevy 4.3 litre was running rough. Bad exhaust smell and idle was high. My mechanic changed the fuel pressure regulator and then said it was the

...rough when in gear, runs fine on highway. 1. Idle Air valve is ok 2. MAF reads 5.5 to 6 grams on scanner when idling - OK according book spec's, rapid increase when accelerating. 3. MAP Sensor reads ...

...rough for a couple of seconds after starting You may have a leaky fuel pressure regulator located on the LH side of the engine on the side of the fuel rail. The internal diaphram can leak fuel which ...

...rough idle and coolant leaks at the corners of the manifold are common symptoms. If you have a scanner check for misfires on cylinders besides each other ex. 1-3 or 6-8, the short and long fuel trims ...

...good ,then enegine stumbles shacks,rough idle,enegine light comes on,i rev it up ,light goes off,runs great,but idles real rough and low.its a 995 840 Check idle air control motor and

...ROUGH IDLED FOR THE LAST 8 YEARS FOR HIM. I HAVE HAD IT TUNED , WIRES , EVERYTHING. HE HAD IT TO SEVERAL MECHANICS AND IT STILL ROUGH IDLED. I JUST TALKED WITH SOMEONE WHO HAS A 91 SONOMA AND HE HAS ...

...rough idle with check engine light on; shuddering upon braking All 8 coils and spark plugs were replaced November 2012 due to CE light on and rough idle, one coil went bad w/in 90 days, replaced it ...

...rough.replaced #8 injector have had coil banks replaced Possible causes: Fuel Delivery or air leak in throttle body. These engines have a problem with the plenum in the throttle body tearing and ...

Rough idle Runs rough at idle and low speed. dirty injectors? try Chevron Techron cleaner, about $8-10 - works great