what all is a part of the check engine code 43 "fuel supply system" is it just the fuel pump or ruel rail, injectors, fuel filter?? if anyone has had this what did you do to fix it?
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o2 sensor or fuel pressure reg -
Originally posted by 93projectX View Post
I'm curious - How well is your car running currently?Comment
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Is no problem - seems we all fall into that very same trap from time to time. I know I have. . . . .Originally posted by ryandavis33 View PostComment
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The car runs fine just when I'm cruising at a steady spead the check engine light will come on and I did the jump and it flashed 4long and 3short and a seprate code one long and I already ordered the primary o2 sensor A upstream and I'm debating on buying the secondary one but I also have a 225 fuel pump 450 injectors and an injectors resistor box laying around brand new but the injectors box is from my old 4 door 93 accord with a f22a1 and my car now is a 93 2door f22a6 so I don't k.ow if it will just put out what my stock ecu tells its too if what..Comment
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Any suggestions??Comment
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You didn't even try to search, did you? This has been discussed ad nauseum on this site. When you get yourself out of the noob section, you're expected to know how to search before posting.
Code 43 is the o2 sensor 90% of the time. Sometimes it's the FPR, filter, or even the pump... but 90% of the time it is the sensor.
Our cars only have one o2 sensor. There is no "primary" and "secondary", or "upstream" and "downstream". That is for OBD2 cars.
Just buy a proper Denso or NTK/NGK sensor for your year and trim, and you'll be fine.
Don't even think about running those larger injectors without a tuned ECU to run them. The stock ECU won't have a clue how to operate 450cc injectors, and you'll end up doing damage. I assume you plan on going turbo, since you've gotten 450cc injectors and an upgraded pump. A good choice... but damn it man, do some more research if that's your plan, or you're REALLY going to make a mess of things!
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I did try but not very hard and I'm not going to turbo I'm trying to do a 11.1:1 compression build with a little spray all from Bisimoto I'm just buying and fixing all the little things before I go into the engine I already did all suspension and brakes and tires now I'm taking care of the engine lights and I had a abs light on as well but ill worry about that after I fix the engine codes because I have madd warped rotors but I'm doing a full 5lug conversion this weekendComment
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The ABS light probably isn't as big a deal just yet. I don't believe your brakes will malfunction if the ABS isn't working (just don't rely on the ABS!)
Anyway, please search... if you're going to be that lazy, you're most certainly going to blow up your engine when you get to the real work.
Get an o2 sensor from RockAuto, and all will be good. I assure you.
Also, please use punctuation. Your writing is very difficult to read when you just type one long sentence. I know I sound like a teacher... but we can't help you if we can't understand you... and most people won't even try. If you want help, type so we can understand what you need from us.
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lol sorry about the punctuation I just type without looking them I read it all and post it but ill change it up. So if I put in the new 225 fuel pump its not gonna change the ammout it puts out or anything is it? Or do I need a tune if I change anything..?Comment
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The pump probably won't matter one way or another... though you won't need it until you start running that higher compression and a wild cam. You'll absolutely need a tune to use the larger injectors. I'd wait to install the pump until you're ready for the injectors.
A careful ECU tune is going to be as important with your plans as it would be if you were going turbo. 11.1:1 isn't insanely high, but it's high enough that you could do damage quickly if your tune wasn't right.
The first thing I'd do, if I was in your position, would be to practice tuning on the stock engine. It's hard to blow up something with such a low compression ratio, and it'd be good for you to get practice before jumping into the higher compression build. Unless you plan on going to a real tuner with a dyno... but even so, I'd familiarize yourself with the tuning process. It's YOUR car, afterall... best to know what's being done to it.
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