CEL codes 15 and 43...

[Chrisfrom1986]

My accord is showing 3 engine codes, one is for the oxygen sensor, the other two are a code 15 Ignition output signal and a code 43 Fuel supply system.

Its a 90 Ex coupe with an F22A4 swap. I havent checked if the stock ecu is in the car, but most likely hasnt been touched.

What would cause the code 15 and 43? The only problems with the car is the fuel gauge not working correctly. The engine and auto trans were swapped with stock replacements before I bought the car. Any specific things someone can think of to check would be great.

[Chrisfrom1986]

Anyone?

[ExplodingCake]

Code 15 = Ignition coil
Code 43 = Fuel pump / injectors etc.

[cvc7chris]

Its a 90 Ex coupe with an F22A4 swap. I havent checked if the stock ecu is in the car, but most likely hasnt been touched.

i thought the 9091 ex's came with the f22a4 well my 91 ex sedan did..

stock ...

and the 9293 came with f22a6 if im right..

[Chrisfrom1986]

I just saying its not the original engine, I wasnt sure what the stock motor was for a 90 Ex. I havent been having any misfires so I wouldnt know what to think about the condition of the ignition coil or fuel injectors.

[ExplodingCake]

Grab a haynes manual and a voltmeter and check for currents. No current = no power.

[Chrisfrom1986]

Like I said, the car has been driving fine, Ive driven it over 1200 miles in the past 2 weeks... its not a question of the car not running.

[d112crzy]

How is your gas mileage? Codes 1 and 43 can usually be fixed by replacing the o2 sensor. I say usually because that's not always the case. You might end up having to replace your fuel filter as well. Both are not big tasks and is something you can do within a few hours.

Code 15 usually means your ignitor is about to go bad, or is bad. When the ignitor goes out, you lose a lot of power and will buck and drive erratically. The only way of fixing this is by replacing the ignitor or the entire distributor with a good one.

[Chrisfrom1986]

My gas mileage is pretty ok for the most part, about 23 mpg highway/city mixed. I would expect it to be better with a new engine. It has the power of a fresh engine. I do need to replace the o2 sensor, but I wasnt sure if they are the same as a 92-95 civic, because I have a spare one of those. Just havent gotten under the car to look yet.

[Fake Thug]

code 15 is most likely the igniter. 43 could be anything fuel.

[Chrisfrom1986]

Well I put my spare civic o2 sensor in there and cleared the codes... drove it around for a bit but I am really low on gas so Ill have to wait and see if any codes pop up later when I put some gas in it.

[ExplodingCake]

Like I said, the car has been driving fine, Ive driven it over 1200 miles in the past 2 weeks... its not a question of the car not running.

Next time you should be specific.

[Chrisfrom1986]

The post before yours would indicate the car is running.

[mugenaccordlx]

Grab a haynes manual and a voltmeter and check for currents. No current = no power.

The post before yours would indicate the car is running.

Can't you read??

He suggested to check the voltage for any irregularity. When I used to have his car it's not making any readings BUT it does fire sometimes but mostly it does not.

Anyway , did you reset the ECU?

[Chrisfrom1986]

Yeah I reset the ECU.