Does anyone have any suggestions regarding a code 16 which i believe is the fuel injection code. For some strange reason the engine light seems come on at a higher rpm or if I am at a higher speed, I used 3 bottles of fluid in the gas and made a big difference on the fuel economy and in performance, I do notice however since I stopped using the fluid that I seem to be getting the odd acceleration drag and studder. One item to add as well that I recently had an engine swap performed and it was an 130K engine that came from an automatic, the throddle body and everything else was transfered onto this car. Any advice or tips is greatly welcomed. Thank you.

 

What car and year

 

It's a 1990 civic DX.

 

Is that Dual Point

 

Yes..

 

sounds to me like you have a problem with the auxiliary fuel injector - not uncommon on the older DPFI cars

 

Thanks so much ill look into it, as soon as I get the chance.

 

it is usually easier to just swap out throttle bodies - getting the injectors out is really a pain - the screws are usually rusted so bad that you can't get them out

 

yes rusted screws, found that out when I tried opening the body itself. Can't seem to narrow it down ... fuel pump, injectors or throttle body or the circuit.

 

I'm starting to think the problem is with the fuel pump, does anyone think I'm on the right track with this one? Does code 16 mean it could be the pump?