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Q: Will a 1990 crx hf ecu work on a 1991 crx si?
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Where is ecu on Honda crx?

The ECU on 1988-1991 Honda CRX cars is located under the carpet at the passenger's feet. Four bolts hold a metal panel covering the ECU.


Ecu location 1990 crx?

under the passenger side floor mat


Where is the main relay on 1990 crx si?

under the coin holder next to the ecu chips


What ecu will fit the 1987 Acura integra rs?

Well the 1987 Honda crx si ECU is interchangable with the 1987 Integra ECU, plugs rite up


Ill a 1989 Nissan 240sx ecu work with a 1991 Nissan 240sx?

Yes the ecu will work. First disconnect the battery and connect the new one then reconnect the batter. Start up the 240sx and it should work it not it needs to be diagnoste goggle 1990 240sx ECU CODES FOLLOW THE STEPS AND THAT SHOULD WORK I know cause I'm using a 1992 ECU FROM Nissan Stanza. I was told it's alittle advanced on the horse power side and idle moves quicker.


Where do you hook up an OBD reader on a 1990 Honda CRX?

On a '90 CRX there is no OBD port because it does not have an OBD. If the check engine light comes on, pull back the carpet on the passanger side and look into the glass port on the ECU to see the flashes that the ECU puts out. Long flashes are tens and short flashes are ones....example.....2 long flashes and 2 short flashes would mean code 22.......and so forth....


Where is ECU reset button for a 1991 Toyota cressida?

There is no ECU reset button.


How much is an ecu for a 1990 integra?

An ecu for this car would cost about $120


Will a 1989 Honda civic front bumper fit a 1991 Honda CRX?

no because it doesnt have the right proportions and air intakes. The ECU is located on the passenger side under the carpet. Don't waste time looking for a OBD plug, that year uses a sequence of flashing lights that can be observed through a "port" window that is in the center of the ECU.


Where is 1991 Mitsubishi Gto gto ecu?

ecu is in the centre console behind the stereo


Is there another ecm that will fit a 1990 Plymouth laser rs NT?

if your talkin about the ecu(engine control unit) any 1990 dsm (talon, eclipse or laser) non turbo ecu will fit the 1991-94will fit after mods to the 6 pin an 14 pin an coil pack wire switched


Why does your 1990 Honda CRX idle at 2000RPM at startup but drops back to a normal idle once the engine warms up with no other idle issues at any other time?

because your ecu sends more fuel to warm up the engine faster