Runnin' Rich - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

NISMO240SXSE1 · 07-28-2004, 04:23 PM

My 89 240sx sohc won't pass smog because my fuel mixture is too rich.Any help would be appreciated

HC ppm:42
CO%:1.2
CO2%:14.4
NO ppm:52
O2%:0.0
mph:24.2
Load ft-lb:80.9
HP:14.6
Acc MPH/s:0.4
RPM:2845
This is just one of many lines on the printout they gave me.I took my car to MOSSY NISSAN in San Diego and after changing the maf sensor ground wire they said"we can't find anything wrong with your car".They blamed everything on my aftermarket parts(intake,exhaust,ignition...)but when I put the stock airbox back in and removed my MSD the readings were worse!If anyone has any advice please help!
Thanks!!!!
Ed

07-28-2004, 04:23 PM	#1
NISMO240SXSE1 Leaky Injector Join Date: Jul 2003 Location: Bay Area Age: 51 Posts: 86 Trader Rating: (0) Feedback Score: 0 reviews	Runnin' Rich My 89 240sx sohc won't pass smog because my fuel mixture is too rich.Any help would be appreciated HC ppm:42 CO%:1.2 CO2%:14.4 NO ppm:52 O2%:0.0 mph:24.2 Load ft-lb:80.9 HP:14.6 Acc MPH/s:0.4 RPM:2845 This is just one of many lines on the printout they gave me.I took my car to MOSSY NISSAN in San Diego and after changing the maf sensor ground wire they said"we can't find anything wrong with your car".They blamed everything on my aftermarket parts(intake,exhaust,ignition...)but when I put the stock airbox back in and removed my MSD the readings were worse!If anyone has any advice please help! Thanks!!!! Ed