The original daewootech forum

Does anyone know how to clean the oxigen sensor , on a lanos 1.4 , the first one in the outlet.
It only has one purple wire conected and it seems easy to unscrew, but after that, how could you clean it, if possible.

Daewoo 1.4i Oct 2000 , only 35000 Km about 22Kmilles, new fuel,air,oil filters. NO CEL ON. The main problem happens when the engine is hot enough, needle just under middle. The symtomps are: dificulties to accelerate, light jerks until you get to an least 2000 rmps, after those rpms it works fine , ...

This is my question , read that a guy changed his crankshaft pos sensor and all his fuel problems solved. I think this could be my problem , and would like to know if this is posible. My car is very little resposive specialy at low revs. Does anyone know how to chech this sensor? Is it easy to take ...

How can I check both IAT and coolant temp sensor. I mean using my own hands. Both are easy to unscrew, but how do I know if they are working well.

I think it could be at least the same as the 1.4 lanos, about 10 L/Km . Very bad compared to european or jap cars

Have had a look at the temp sensor , the thing seems quite easy to unscrew.
How could I check if it's working properly? Or should I just buy a new one . Doesn´t look expensive.
How much could it cost?

Thanks

After reading quite a bit in this excellent forum and checking bad mpg and other symthoms I think I've got a bad temp sensor or a thermostat that is stuck. how can I check if any of this is true? I think the ECU tries to heat the engine all the time , with a bad mpg. I have basicaly the same mpg wit...

lanowoo said:
"it seems electrical or sensor-ish change them and see. then post the outcome"

Could you please specify, what do you mean?
What kind of electrical problem? spark plugs,cables ...
Which sensors should I have a loook at ? tps , iac ...

I've got a Lanos 1.4 date 11/2000 , it only has done 35000 Km. The problem is that when I accelerate, the engine hesitates for one or two seconds until it reaches a least 2000 rpm. It seems to have no power at all under those revs. When I change gears up (manual trans), the rev meter jumps a fev rev...