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P0301, P0307
I already fixed this Jeep, and it took me over 2 hours to figure it out. P0301 was a cracked spark plug, and bad coil. That was was a quick, and easy diagnosis. The P0307 has been there since this engine was rebuilt a year ago, and 4 different shops could not ... Login to read more. ![]()
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| Engine | 4.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2000 Jeep Grand Cherokee Laredo 4.7L
| Engine | 4.7 L |
| Trans | 4-speed Automatic (Electronic) |

27 Replies Received
27 Replies Received