Mechanics

03 4X4 4.0L DOES THIS TRUCK HAVE A REV LIMITER AND IF SO WHERE

2003 Ford Explorer • 159 miles

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
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Glenphillips
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

Rasmataz
Mar 28, 2012.


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