1988 Volvo 244 DL 2.3L Excessive Emissions
This car fails smog check due to NOX. I have fixed many of these problems cars, but this one is tough. All the basics are good. Lambda calculator says mix is proper, but the NOX just won't behave. Removing vac. to ign. module helps [...]. line removed from fue...
FIX posted 8/31/2010
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Vehicle Data1988 Volvo 244 DL
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Message Closed w/FIX
Vehicle Data
1988 Volvo 244 DL
VIN | YV1AX8841J |
Engine | 2.3 L / 4 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | Fuel Injection / multi-port |
Emissions | Ca. emmisions |
Symptoms | Excessive Emissions |
Occurs | Always |