
1991 Cadillac DeVille 4.9L Excessive Emissions
Car has only 53K miles very clean well maintain. The CO is at 0.00% running lean causing high NOX. Fuel filter is new. no leaks from pressure regulator or any air / vacuum leaks. EGR works per specs and no restriction at passages. Cat Converter is not faulty. ...
Summary posted 10/17/2013
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Message Closed w/Summary
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VIN | 1G6CD53B2M |
Engine | 4.9 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / TBI |
Emissions | CA. |
Symptoms | Excessive Emissions |
Occurs | Always |
Message Closed w/Summary
Vehicle Data
1991 Cadillac DeVille
VIN | 1G6CD53B2M |
Engine | 4.9 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / TBI |
Emissions | CA. |
Symptoms | Excessive Emissions |
Occurs | Always |