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1991 Ford Ranger 2.3L Spark Knock
We have a 1991 Ford Ranger in the shop with a spark knock. The problem occurs on steady cruise or acceleration any time the engine is warmed up and in closed loop. We have no trouble codes present. The EGR system is fully functional We can force the com...
FIX posted 7/17/2000
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Message Closed
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| VIN | 1FTCK10A3M |
| Engine | 2.3 L / 4 cyl |
| Emissions | Federal |
| Symptoms | Spark Knock |
| Occurs | Always, Hot |
| Misc. | 2 Wheel Drive |
Message Closed
Vehicle Data
1991 Ford Ranger
| VIN | 1FTCK10A3M |
| Engine | 2.3 L / 4 cyl |
| Emissions | Federal |
| Symptoms | Spark Knock |
| Occurs | Always, Hot |
| Misc. | 2 Wheel Drive |
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