what does code 43 (fuel supply system) mean?
 

faulty injector? Need to change fuel filter? Never got this one before

Re: what does code 43 (fuel supply system) mean?
 

Could be O2 sensor related too, using a narrowband?

Re: what does code 43 (fuel supply system) mean?
 

usually o2 and poor running vehicle

Re: what does code 43 (fuel supply system) mean?
 

it means something is wrong with your fuel supply system

Re: what does code 43 (fuel supply system) mean?
 

i just did replaced a bunch of ----... New cap/rotor/plugs/wires/ dizzy o ring, ill try putting in a new O2 as well. The engine runs pretty good to me. Maybe i should lash the valves too

Re: what does code 43 (fuel supply system) mean?
 

20-30 seconds off the rev limiter clears this code 8)

Re: what does code 43 (fuel supply system) mean?
 

Just went threw this on my 92 lx. I changed the pump injectors and ecu before changing the O2 and that fixed it.

Re: what does code 43 (fuel supply system) mean?
 

if you think codes are when a car is running good wait till its actually running like Honda built it.

Re: what does code 43 (fuel supply system) mean?
 

im somewhat familiar with a healthy running honda engine ;)

Re: what does code 43 (fuel supply system) mean?
 

ok well go fix your carzzzz thenzzzz