Mechanics

PROBE 89 IDLE

1989 Ford F-250

I have a 1989 ford probe lx 185k miles, and a 2.2 liter engine, (non turbocharged). It idles 1.5k to 3k rpm. When I first start the car it idles at about 1250 rpm, but then climbs to about 2000, or 2500. The only thing that was done to cause this was WE SENT THE FUEL IN BACKWARDS, because we replaced the fuel lines, and gas tank. Other than this it runs like a champ. On the road it runs very nicley. Somtimes (idling) it will fluctuate about 500rpm, and sounds like it is relieving pressure. Like a tsss after the rpm's climb. We tried adjusting it, but it did not work. I have ben having this problem, and looked all around for the answer, but was unable to find it. I do not think that it is a vaccum leak, though I am not sure.

If you could help me that would be great
thanks.
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Ford man 109
February 26, 2007.




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