Starts and idles fine, revs up okay when parked. When driving there is no power. On a small grade it will not reach 10 MPH.
Press the gas, revs do not increase, trys to stall, will increase rpm a little then stop increasing.
Plugs, wires seem okay. Changed fuel filter. No change.
At a loss for idea's.
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Re: 1994 safari van V6
Ya these motors need tons of fuel pressure so if you have a pressure tester test the fuel pressure prior to the fuel filter and see if it is atleast 25 psi if not replace pump with new or rebuild all the luck to you with current project
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starts every time.
idles fine hot or cold , or both? hot idle not too fast.
i race engine , in park and neutral, I can hit 3500 rpm easy, can you.
i release brakes, (brakes are not packed in ICE , are they?)
I select 1gear or reverse (A/T or m/t)
the car moves or dont move, which is it, my guess catch = no move at all.
I try to drive, i look at RPM and MPH
RPM moves up and MPH track.
track means they both move in a linear progression.
RPM rises and for all RPM increases MPH also increases.
if all that works then we have an engine power issue.
weak on hills?
This sames strange but i would say you might have a transmission problem that makes the car revs up because it look like it keeps downshifting after a high Rpm which makes the engine idles high. Good luck
Try removing the idle speed motor on side of throttle body, and spray it clean, as well as the port it came out of, with throttle body spray cleaner. Don't pull and extend shaft of idle motor, just leave it in position it's in, and make sure you don't lose small "O" ring on idle motor. Re-install and try it. If it cures it for a while, then starts to do it again, replace the idle speed motor.
see when you say you step on it, and the vehicle stalls, it sounds as if it bein starved of fuel...you step on it, and therefore the demand is there, but not the supply. to prevent itself from over heating, the fuel pump shuts off...after a moment of cooling off, it fires right back up...get it checked at your mechanic...do the strainer on the bottom of the pump, and fuel filter as well...is it time for a tune up yet?
It is not the fusible link, if that was the problem it would not start at all. There is an open circut some where that is draining the power. Start disconnecting non esential devices, radios, TVs that sort of thing until you trace it down. And if you have an alarm on it check that first.
well they dont have a timing belt they have a timing chain which is nice but i would take it to a mechanic with a ford scan tool to diagnose it its really hard to diagnose these newer vehicles over the net these days! it could be so many things from throttle position sensor to rev limiter issue!