I need a Vacuum diagram for a 2003 ford explorer 4.0 sohc. I think it has a vacuum leak somewhere but I cant find it.
I went and got library card for free so I could get on chiltons manual from home computer. its great
SOURCE: need a vacuum diagram 1998 ford explorer v8 2wd
heres a vacuum diagram for a 1998 ford explorer with the v-8 engine, hope this helps,
SOURCE: P2195 CODE ON 2003 FORD EXPLORER SPORT TRAC 4.O
Hello,
Very common concern with the Explorer, Explorer Sport Trac and Ranger with the 4.0l SOHC engine! The upper and lower intake manifold gaskets fail, causing vacuum leaks..It can be Extremely difficult to detect these leaks, because they only leak intermittently (usually in the AM after a cold soak)... As the engine warms up they seal back up! Sometimes the vehicle will idle rough, surge or stall after initial start up, then the symptoms will clear after it gets to operating temperature... Usually there will be no driveability symptoms at all, except the engine light coming on and setting lean codes.. The gaskets have been redesigned to correct this concern..
Bill Andrade Ford Master Technician/ASE Master Technician
SOURCE: need vacuum diagram for 4-wheel drive
the 4x4 don't use vacuum. the front is auto lock when the transfer is engauged with the button. if the light don't which when pressed into 4hi or 4low. the motor on the transfer case maybe hung up. they have to be used at least 4 times a year not to go bad. the motor is on the back side of the transfer case. best of luck.
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