Questions & Answers for: silverado idle codes

Silverado rough idle, idles good after "check engine" light My 2003 silverado idles very rough, and then the check engine light comes on. After the light comes on, it runs great and idles very smooth.

...silverado..5.3...motor idle rough.. getting 3 codes ok.. here we go.. engine is idleing rough blows black smoke when motor is revved up..poor gas mileage.. and get 3 codes coming up..and they r PO171 ...

...silverado with 145,000km struggles to stay running when stopped and idling. It boggs down like its almost being smothered (lack of fuel or something) It has a brand new fuel pump and fuel filter. My ...

...silverado 4x4 chev 4.8 has very little power in reverse, TPS was bad and changed, had code cleared and had transmission read and there are no codes at all. Further, truck will idle high and when put ...

silverado 1500HD 6.0 idles rough ONLY when temperature outside is cold,around 40 and below. warmer outside temp no problems at all. replaced mass air flow after scanning computer. no codes are ...

...Silverado throws a mass air flow code and code 171 and 174. Replaced the maf and still getting same codes and rough idle. There is a code lean,present,have the fuel pressure tested,see if it is the ...

...Silverado 2500 HD hard to start after filling with last fuel fill. Idles very rough, but runs fine at top speeds. Very rough at idle in gear. you should first test the computer system for trouble ...

The vehicle idles rough. Also had a few codes The vehicle idles rough. Also had a few codes before the rough idling began (throttle position sensor) Try cleaning TAC valve, spray throttle body cleaner

...silverado and im getting theodb code p0332 and code p2oo what is for the knock sensor and one is for the catalytic converter. the truck misfires while its idling. anything i can do? try replacing or ...

...silverado engine Well code 300 is for a random cylinder miss, and code 507 is for a problem with the idle air control valve. The computer controls idle speed by regulating the amount of air entering ...