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1989 Porsche 911 Turbo Carrera 3.3L Backfiring
greetings porsche techs i'm now at a loss on this car. once warm the engine backfires into the exhaust as a result of fuel overrun. i have checked both control an system pressure, lowering system pressure to 6.2 bar from 7.0, control pressure is 3.8. t...
FIX posted 7/22/1999
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| VIN | WPOEB0933K |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / cis |
| Emissions | none |
| Symptoms | Backfiring |
| Occurs | On Decel |
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Vehicle Data
1989 Porsche 911 Turbo Carrera
| VIN | WPOEB0933K |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / cis |
| Emissions | none |
| Symptoms | Backfiring |
| Occurs | On Decel |
Video