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1991 Cadillac DeVille 4.9L Excessive Emissions
Hey guys thanks in advance.....i have tested all load sensors and found no problems suspect pcm, but not sure need some more input has anybody seen this before 10% co 525ppm hc fuel presure is also good at 46psi regulator is not leaking please help thanks
FIX posted 9/15/2011
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G6CD13BOM |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MULTI PORT |
| Emissions | CA |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1991 Cadillac DeVille
| VIN | 1G6CD13BOM |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MULTI PORT |
| Emissions | CA |
| Symptoms | Excessive Emissions |
| Occurs | Always |
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