Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

codes 71-74 random misfire in a b18 civic ek

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Old Sep 6, 2006 | 05:40 PM
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1999CivicSi's Avatar
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Default codes 71-74 random misfire in a b18 civic ek

ok i put a b18b in my ek and it runs fine with no problems......except i am getting all four of these codes which is all cylinders misfiring and one time i got the evap code but it runs fine. at a cold start it kinda has a rough idle and after a warm start the idle drops really quick to about 800. it may be a wire from my dizzy becaue i have this blue wire with no where to go ....or is the ECU shot. idk wtf its going on but help would be great

i replaced plugs,wires,and cap, i cant get the rotor off because the screw is stripped so idk bout that.....and i put lucas complete fuel system cleaner in it....the intake mani is pretty dirty to so i bought a aftermarket one anyway but could that make it misfire


Modified by 1999CivicSi at 6:54 PM 9/6/2006
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Old Sep 7, 2006 | 02:37 AM
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Default Re: codes 71-74 random misfire in a b18 civic ek (1999CivicSi)

bump
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Old Sep 7, 2006 | 06:33 AM
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Default Re: codes 71-74 random misfire in a b18 civic ek (1999CivicSi)

change the rotor and then reset the ecu and you ll see the difrference
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