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1992 Ford F-250 Custom 7.5L Spark Knock
I have changed the fuel and air filters, cleaned the injectors, decarboned the engine, cleaned throttle body, new plugs and wires, retarded base timing to 8deg. It also has the Banks exhaust system(but it did this before). The truck pings when pulling a hill w...
FIX posted 10/17/1998
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| VIN | 1FTHX26G6N |
| Engine | 7.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBD Ca Emissions |
| Symptoms | Spark Knock |
| Occurs | Under Load, Pulling a Hill in 2nd Gear and RPM at 3500, Not Wide Open, About Half Throttle |
| Misc. | 4X4, 410 Axle |
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Vehicle Data
1992 Ford F-250 Custom
| VIN | 1FTHX26G6N |
| Engine | 7.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBD Ca Emissions |
| Symptoms | Spark Knock |
| Occurs | Under Load, Pulling a Hill in 2nd Gear and RPM at 3500, Not Wide Open, About Half Throttle |
| Misc. | 4X4, 410 Axle |
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