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2003 Ford Explorer Repair Question


Topics covered: Fuel pressure, Exhaust, No power.
Mileage: 159 miles.

Asked on March 28, 2012

03 explorer 4x4 4.0l does this truck have a rev limiter and if so where

Last week ?about truck has no power. no codes,fuel pressure 60psi,check exhaust pulled convters off no change,tps tested good,maf new,conpression test 125 on one cyl,vac test 18 at idle runs good at idle up to about 2000rpm drives no power no back fire clean exhaust no smoke ????help
Avatar Asked by glenphillips

Answer

Replied on March 28, 2012

Check the ignition timing and also the knock sensor. Your fuel pressure is on the low side-should be 60-65psi both KOER and KOEO recheck with and w/o the fuel pressure regulator-w/o vacuum should rise about 10psi over normal

Tiny Answered by rasmataz
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