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Home >> Jeep >> 1993 >> Cherokee Base, 4D Utility, 4.0 S, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - 2.5L & 4.0L >> Fuel System >> Fuel Pressure >> Notes
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Fuel Pressure: Notes

Basic diagnosis of fuel system should begin with determining fuel system pressure.

WARNING: ALWAYS relieve fuel pressure before disconnecting any fuel injection-related component. DO NOT allow fuel to contact engine or electrical components.