1991 Chevrolet S-10 "runs rich" Questions

...runs extremely rich when engine is cold gives codes 13, 33 and 54 I know what these codes are but I need to know is could the computer coolant temp sensor or the air cleaner temp sensor cause this ...

codes 43 44 and 45 code 43 is your knock sensor,code 44 is eng running lean,code 45 is eng running rich.

...runs really rich. Can smell it in the truck.Lots of carbon blows out when starting also idle is rough but runs great at a faster speed. if carby , float level is incorrect , power valve is faulty, ...

fuel pump was bad got one now it run bad the pump was for a 1500 is this what is bad yea that pump is not going to work for that truck, the 1500 requires a lot more fuel than a s-10 does and all your ...

My son has a 2001 chevy S10 that started cutting out and loosing power on hills and in turns. He discovered the head gasket leaking so that has all been taken care of and the head worked. He has put ...

1992 Chev S10 4.3 Runs rich when cold when it is cold black smoke comes out of tail pipe and strong smell of gas it seems to be bad until the temp under the hood is warn could be O-2 sensor

96 s10 pickup running severly rich 2.2 engine I would check fuel regulator.

Keeps throwing random/multiple misfire code, blowing plugs and running rich. New plugs, wires, rotor, cap is still good. EGR valve cleaned. New ECM. Fuel pump was replaced a couple months ago. Oh, and

1997 Chevrolet s10 2.2L 4cyl. I run a dianostic computer on it said change exhaust sensor after cataletic converter an engine running lean! I changed it, after about 5 miles service engine soon light ...

I have a 1988 chev blazer 4.3 litre v6. It is running rich. It keeps flooding and will not start. I have replaced the plugs and o2 sensor already. Does anyone have any ideas on what else it could be? ...