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Failed Ckp Relearn Procedure.
Cannot relearn the ckp. Goes into test but does not recognize full throttle. Tried multiple times. New ckp. P0342 before and after new sensor. New plugs and wires. Any help is appreciated. Login to read more. 
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| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
| Symptoms | Hard Start, Ckp Relearn |
Vehicle Data
2006 GMC Sierra 1500 Hybrid 5.3L Hard Start, Ckp Relearn
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
| Symptoms | Hard Start, Ckp Relearn |
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