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1991 Infiniti Q45 A 4.5L Severe Spark Knock
when egr valve opened, did not affect engine, remove valve egr galley plugged, clear restriction, egr now ok. run bg cleaner through induction system. same problem.
Summary posted 10/4/2001
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Related Documents & Media | VIN | JNKNG01C4M |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / PORTED |
| Emissions | USA FEDERAL |
| Symptoms | Severe Spark Knock |
| Occurs | Always |
| Misc. | 4Dr Sdn |
Message Closed w/Summary
Vehicle Data
1991 Infiniti Q45 A
| VIN | JNKNG01C4M |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / PORTED |
| Emissions | USA FEDERAL |
| Symptoms | Severe Spark Knock |
| Occurs | Always |
| Misc. | 4Dr Sdn |
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