Re: fast idle on 1999 ranger
"Andyt" wrote in message
> I have a 1999 ranger 4x4 4.0ltr 5spd and it idles fast (between 1500 and
> 2000 rpm) for 10 seconds or so after clutching it at stoplights / stop
> Theres not much consistencey though, it idles high at different rpm for
> different lengths of time every time, before eventually settling back down
> to about 800rpm. I have owned it since November and its only started
> happening in last 6 weeks or so. It is of course all computer controlled
> I carnt adjust anything myself.
> The question is - is a normal thing now that the weather is warm or should
> take it to ford and spend a few hundred bucks having them read fault
Clean the MAF sensor (in the intake tube between the air filter and throttle
body) and reset the computer by disconnecting the battery for about 5
minutes. Be sure to use a throttle body cleaner, not carb cleaner.
Last edited by administrator; 03-24-08 at 02:12 PM.