Quote:
Originally Posted by soreballz
My girls car...
91 S13.
95 KA-DE.
New cat.
Timing is perfect.
Recently Seafoamed to clear the carbon deposits.
New plugs, wires, cap and rotor.
EGR works perfectly...
Nox is STILL 6 times over the legal limit. Any ideas?
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does she have heinous 3" exhaust? (the car) is the backpressure valve working correctly? is the pulse air hooked up? what test is it failing for?