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very intermittent miss p300 301 to 306
Hi All Very intermittent miss fire . It only happens when climbing a grade above 4200 feet or high altitude . We are at sea level . Over the years crank sensor , decarb , fuel pump complete tune up , coil pack . h2o pump , radiator , t state , Fan clutch . Ru... Login to read more. 
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15 Replies Received
| VIN | 1J4GW48S64 |
| Engine | 4.0 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2004 Jeep Grand Cherokee Laredo 4.0L
| VIN | 1J4GW48S64 |
| Engine | 4.0 L |
| Trans | 4-speed Automatic (Electronic) |
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