1998 Ranger HELP!

brandonwh64 · Oct 27, 2009

I have a 1998 Ford ranger 2WD 3.0 V-6 with 5-Speed. Well when i push in the clutch to come to a stop at say a red light or stop sign the engine revs up to 3000-4000 RPMS slowly until i come to a COMPLETE stop. WHAT is making this happen? I was thinking the throddle position sensor but before i go changing parts that i have no clue whats going on i thought i would ask the PROs here at TRS

brandonwh64 · Oct 30, 2009

BUMP
no one knows whats going on?

Doom's Day Custom · Oct 30, 2009

Is the any codes pooping up?????

Earl43P · Oct 30, 2009

Could be a vaccum leak. Check the PCV elbow, Intake tube for tightness/ integrity, etc.

Clean the IAC (any solvent, dry, reinstall). Clean the MAF (search). It may help to force it to relearn its idle after that. Disconnect the battery, turn the headlights on / off, reconnect battery. Start the engine, let it idle for 5 minutes (must be fully warmed up for this). Then turn on the AC, let it idle 5 more minutes (hopefully your compressor will be cycling on/off for this), and you're done. Automatics get idled in Drive as additional 2 steps, AC on/off.

You must understand, it WILL hold the rpms up (mine sits right at 1100) while it is seeing speed. Once you stop, it SHOULD drop. Mine idles ~800 when stopped.

Yours is excessively high while rolling.

If you don't do the idle relearn, it may take several days of driving to improve the idle after cleaning.

partsguy84823 · Oct 30, 2009

Clean the IAC... mine does this exact same thing about once a year. When it does, I spend more time looking for the damn can of carb/TB cleaner, than I do cleaning out the valve.

brandonwh64 · Oct 30, 2009

Were is the IAC located? IF i take a picture of underneath my hood can you guys point it out?

1998 Ranger HELP!

brandonwh64

15+ Year Member

brandonwh64

15+ Year Member

Doom's Day Custom

15+ Year Member

Earl43P

15+ Year Member

partsguy84823

15+ Year Member

brandonwh64

15+ Year Member

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