EGR Systems
Ford Taurus
Ford Ranger

94 ranger 2.3 with code for inadequate egr flow detected egr solenoid resistance good replaced egr flow sensor due to code egr solenoid supply voltage is good egr valve is good what else can you check?

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September 12, 2011 7:52AM

Most likely the inside of the EGR valve assembly and/or associated tubing is plugged with exhaust deposits. You'll probably need to either disassemble the EGR assembly to clean it out or replace the assembly entirely.