Code 44 help!

[GalDemSuga]

I just had a rebuild motor installed here in Pittsburgh, PA. Unfortunately, she will start but die when I try to drive her. She immediately threw code 44 (lean exhaust). The motor is new and so are plugs, wire, cap and rotor, intake and manifold gaskets. she has no leaks; I checked for vaccum leaks. The O2 sensor is a month old but I was using it with the pulled motor and it was giving me Code 45.

She starts on first key and idles well but stalls and dies when I attempt to drive. I'm stuck in Pittsburgh.

 

[Fordum]

Pittsburgh!!, we got to get you out of there!<G>
Well, at the risk of seeming obvious, it sounds like the engine is telling you what is wrong. It needs gas.
You didn't say what kind of fuel system you have, carb or fi, but either one of them has to have a good supply of fuel. So, check the basics. Fuel filter. Crimped line, since you just put the engine in, something could have gotten pinched.
Fuel pump. If you have FI, check the pressure at the fitting. If its a carb, do a flow test, plus a pressure test if you can. Also, check to see if the floats could have gotten banged around and stuck when putting in the engine.
Either way, an engine that runs at idle, but dies when you try to accelerate is a classic low fuel volume problem. Which is backed up by the code 44.

J.

 

[GalDemSuga]

Pittsburgh!!, we got to get you out of there!<G>
Well, at the risk of seeming obvious, it sounds like the engine is telling you what is wrong. It needs gas.
You didn't say what kind of fuel system you have, carb or fi, but either one of them has to have a good supply of fuel. So, check the basics. Fuel filter. Crimped line, since you just put the engine in, something could have gotten pinched.
Fuel pump. If you have FI, check the pressure at the fitting. If its a carb, do a flow test, plus a pressure test if you can. Also, check to see if the floats could have gotten banged around and stuck when putting in the engine.
Either way, an engine that runs at idle, but dies when you try to accelerate is a classic low fuel volume problem. Which is backed up by the code 44.

J.

It's a TBI. The fuel lines are solid. I'll look at them again. Whats funny is that she was throwing a rich flag with the old motor and now a lean flag with the new one.

 

[eagle mark]

http://coloradok5.com/forums/showthread.php?t=240425

 

[GalDemSuga]

http://coloradok5.com/forums/showthread.php?t=240425

This was a wealth of good info. Thanks. I solved the issue with a simple O2 change. Then I cleared the code and its good to go. Thanks everyone