My car gets no fuel and the check engine light is on with no codes what could be the problem? Its not the ecu because I used all four of mine and have the same problem. And I just tried a new Main relay, And none of the fuses are burned out. Whats going on?

 

injectors?

 

well if I take off the fuel line its EXTRA DRY!!!!! I dont even hear the fuel pump come on.

 

You dont eve n hear the fuel pump coming on------hmmm..... what what could be bad?

 

if the fuel pump is bad would that throw a check engine ligh and new ecu codes?

 

I don't think the prob is bad as hell, just replace the fuel pump, it will probably go on !,

cheer

 

so a bad fuel pump could cause that check engine light and no ecu codes?

 

Before you go about just replacing the fuel pump and the fun of dropping the tank I would double check all powers and grounds to pump and then if both those check good try cranking the engine and have someone beat on the tank and if the pump starts this is a very good indication the pump is bad. Pretty much if you have power and grounds to pump and the pumps not working it's time to drop the tank. Hope this helps.

Andy

 

make sure you dint pop the fuse.

 

You do not have too drop the fuel tank to axcess the Fuel pump. Remove the rear seat or storage compartment and the axcess plate is right there in the middle. Check for power at the pump while cranking and be sure the grounds are secure. Last just jump 12 volts to the pump directly if the pump comes on then its the power distribution to the pump start at the main relay and work back to the pump.

 

YOU DO have to remove the fuel tank you moron. i guess you have never worked on a 88-91 civic/crx

 

well that isnt causing my check engine light problem anyway, once I get the check engine light to work properly I will see if other things dont work, well when my friend brought his EF over we unpluged his fuel pump and his check engine light didnt stay on.

 

I'm not getting any fuel out of the fuel rail as well. The main relay isnt working but I replaced the part, so i know at least the part is good. (I dont hear the relay click like how it should be) Could a bad fuel pump cause the main relay to not work?

 

yea you probally are having the same problem i am, since i change the main relay and I am still stuck, well does you check engine light stay on?

 

yeah my check engine light stays on. im also throwin code 20: electric load problem.

I just checked the relay harness with my multimeter and everything check out except for the fuel pump. I did the last procedure shown here (there was no fuel pump sound): http://24.169.51.123:7080/manual/2gs.../91-11-112.jpg

I'm going to check if there is current going to the fuel pump end tomorrow.
shown here:

http://24.169.51.123:7080/manual/2gs.../91-11-110.jpg

looks more and more like it's the fuel pump

 

update:

I checked the wire harness at the fuel pump for current, and there was nothing.
I messed with the wiring and repluged everything. Now the check engine light turns off in a couple seconds, and the main relay is now clicking! I went back and checked the fuel pump harness and I am now getting current but the fuel pump still isnt working. I'll be replacing the pump soon, anyone have a how-to for a 91 crx?

 

i know that in at least a hatch you gotta drop the tank! b/c i thought mine was bad too but then i could hear the fuel pump kick on when i turned the key...turned out to be a fuse?!?! dont know why...good luck b/c it aint fun to do....maybe try just adding an inline fuel pump (if that will work...im not sure)

 

Thanks. I got the fuel pump installed. It was a very messy job but everythings working