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O2 codes can be just intermittent & caused just by some odd driving/operating glitch,so dont worry about it,all fixed now

To reset(i assume your talking about the EK civic in your av),

Pull the 7.5Amp fuse out in your engine bay main fusebox for 10 seconds then replace(make sure ignition key is turned off before u do...

First thing u do,is reset the ecu,go for a long drive & then check if the code comes back again.

Have u been getting poor fuel economy lately?
Ur car been a bit sluggish or off down low in the...

Yeah,he'll prob know how to disable the trac control or what sort of signals to trick it with

So are u gettin a CEL while driving?

Ignore code 20,u do not have an ELD in your car & has nothing to do with code 36 & will not cause a CEL

If u are gettin a CEL while driving,maybe u have to...

Your ecu is telling u it has no fault codes to report,everything is fine.

If it continually blinks once at u with a short pause between each blink,that is an O2 fault,but one short blink is...

U dont need to find the blue plug,no need to short anything out on your PM7,just turn the ignition on & watch the LED on the ECU for codes,easy.

ya wrong benny boy,how dare u not have intricate knowledge of crx's!

ecu for crx gen 2 is in the passenger footwell against the firewall,just pull back the carpet & u'll see it under a gold plate...

Only yours for AUDM OBD1.

U could prob run a JDM ecu,but its not optimised for aussie fuel & compression ratios.Maybe one of the tuner boyz on here could correct me if it will still run your motor...

Sorry,I meant an ecu specific to your engine,ie OBD1 AUDM? B16A,but its gonna be hard to find anything other than a crx ecu,no such thing as an aussie b16a OBD1 civic.

Wait for some cleverer types...

Correction,

'92 - '95 model

If your goin to buy one,get the ecu specific to your car.

Also get it diagnosed professionally before handing over any cash.

If its the '91 u got listed there,no it wont.

You need an OBD1 ecu,from something like a '92 - '96 model.

Sorry,i didnt mention to pull the reset fuse for 10secs or more to let any charge bleed off the ecu so it wont hold the codes,I assume u know that anyway.

if its still repeating,start looking at...

No offence intended,seen cases where the CEL not flashing but ABS light is so they think that its an engine code.Cant remember the ABS codes but thought there might be a 52 for ABS & thats what u...

Just check em again in any case,when ecu starts spitting erratic codes like this,usually means a prob with the ecu itself.Are u sure its the check engine light your reading?

Then reset ecu,take it...

Before u reset the ecu,make sure your counting them right.

Note any long blinks compared to short blinks, & the length of time between blink sequences,& report back.

To reset, turn ign key...

Is this a stock VTiR with stock ecu?

Usually a blue 2 pin plug clipped into a green holder with another 3,4 or 5 pin plug next to it.Usually directly below the passenger air vent.

If your...

ELD exists in the bottom of the main under hood fuse box.Its a current transformer that informs the ecu of the total elec load being drawn by the car.
I dont have one in my crx,so i didnt hook it up...

Looks exactly same as ben shows in 1st post(green holder with 2 blue plugs),but i think its located more towards firewall above passenger foot well.

Edit:codes already posted by ben,yes they r the...