99 civic EM1 Faild Smog!!! (need help)
08-05-2009, 07:07 AM
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99 civic EM1 Faild Smog!!! (need help)
I have a 99 civic SI (EM1) and it failed smog do to nox being to high! The car runs great though...
Basic info
Crower Built Head
Valve Springs
Retainers
Stage 1 ctr Style cams
DC 4-1 Header (heat wrapped)
Revolution intake
Stock exhaust
oem catalytic conv. (Unknown Mileage)
132XXX miles
Fresh NGK plugs
New cap
New rotor
New wires
Any advice? I need to lower nox its suppose to be 487 at 15mph car runs 852
NEED HELP!!!
Basic info
Crower Built Head
Valve Springs
Retainers
Stage 1 ctr Style cams
DC 4-1 Header (heat wrapped)
Revolution intake
Stock exhaust
oem catalytic conv. (Unknown Mileage)
132XXX miles
Fresh NGK plugs
New cap
New rotor
New wires
Any advice? I need to lower nox its suppose to be 487 at 15mph car runs 852
NEED HELP!!!
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