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1995 Chevrolet Blazer 4.3L Spark Knock
Fellow Techs , Truck will spark knock on accel. always . LEGR was replaced at another shop less than 3 months ago. Tried to decarbon , did not help . Found a GM bullitan for updated LEGR with sealed top , I don't know if new valve is updated or not . Any h...
FIX posted 11/9/1998
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| VIN | 1GNDT13W3S |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CMPSI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Spark Knock |
| Occurs | On Accel |
| Misc. | OBD 1 With OBD 2 Connector |
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Vehicle Data
1995 Chevrolet Blazer
| VIN | 1GNDT13W3S |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CMPSI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Spark Knock |
| Occurs | On Accel |
| Misc. | OBD 1 With OBD 2 Connector |
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