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

2003 Ford Explorer

Tiny

glenphillips

March, 28, 2012 AT 2:41 PM

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

FOUND 4250 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

March, 28, 2012 AT 5:22 PM

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

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