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Intermitent signal to coils & injectors
Intermitent signal to coils & injectors only between 2000 -- 3000 RPM. Otherwise runs perfect at all other RPM ranges. Have replaced the crank sensor and cam sensor, MAP, IAC, and other sensors meet spec ranges. Have scoped the signals to the injectors And the... Login to read more. 
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20 Replies Received
20 Replies Received
| Engine | 4.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2004 Jeep Grand Cherokee Laredo 4.7L
| Engine | 4.7 L |
| Trans | 4-speed Automatic (Electronic) |
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