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1993 Chevrolet Lumina Z34 3.4L Excessive Emissions
This Lumina is failing the Nox portion of the ASM 50/15 State emission test. In addition it would idle at over 2,000 rpm when cold started. Smoke testing revealed a very large vacuum leak at the lower intake manifold gaskets. Further testing revealed an O2 sen...
FIX posted 1/31/2008
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Message Closed w/FIX
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Related Documents & Media | VIN | 2G1WP14X4P |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / PFI |
| Emissions | OBDI, US Federal Emissions |
| Symptoms | Excessive Emissions |
| Occurs | Always, Asm 5015 Test |
| Misc. | Z 34 |
Message Closed w/FIX
Vehicle Data
1993 Chevrolet Lumina Z34
| VIN | 2G1WP14X4P |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / PFI |
| Emissions | OBDI, US Federal Emissions |
| Symptoms | Excessive Emissions |
| Occurs | Always, Asm 5015 Test |
| Misc. | Z 34 |
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