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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTCS U1411 To U1418, System Checks, Engine Cranks But No Start, Symptom Tests >> *Hard Start (Fuel System) >> Possible Causes

Possible Causes

Possible Causes 
FUEL CONTAMINATION
RESTRICTED FUEL SUPPLY LINE
FUEL PUMP INLET STRAINER PLUGGED
FUEL PUMP MODULE
FUEL INJECTOR(S)