1995 GMC Sonoma SL 2.2L Excessive Emissions
this truck has high nox reading at 15 mph, the coolant temperatrue is 190'f, the fuel pressure are little high, the lambda are 1.035. af ratio 15.22, it's little lean, i double check the vaccum and exhuast twice, measure there no leak. thanks every one read th...
FIX posted 7/4/2009
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Vehicle Data1995 GMC Sonoma SL
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Vehicle Data
1995 GMC Sonoma SL
VIN | 1GTCS1449S |
Engine | 2.2 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / MFI |
Emissions | Not OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |