Re: Possible Vacuum Leak
Quote:
Originally Posted by jrobinson004
I have a 1998 Ranger 4.0 (OHV)
I hear a hissing sound when I accelerate ...
-Similar sound to air coming out of a tire
-Seems to be coming from somewhere near the gas pedal (not sure which side of the firewall
-It definitely gets louder as I accelerate more and makes no sound when idling
-I am not sure if the issues are related, but the truck also seems to be running a little on the hot side
Other than the noise, the truck seems to be running fine (no hesitation or rough idling).
Any thoughts?
Thank you,
-Justin
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Check for codes! If it's a vacuum leak you'll have a code.
Also the IAC valve has been know to whistle when it is failing.
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)
2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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