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Fuel pump

JWHIT67

NAXJA Forum User
Location
colorado
98 xj 4.0 115000 miles new fuel pump still starts hard. turn key to on several times till fuel pump sound changes starts "first time." otherwise you need to attempt 2- 4 starts before it starts then runs great. Is turning the key on off several times hard on anything (is it okay to do this indefinetly?) or do I need to replace the whole module vs check vlave or pressure regulator?
 
Always start simple. Check your connections, fuses, relays and switches. This problem could stem from a problem with your igition switch to some corrosion on your fuses to a bad relay or a dirty connection. Good luck...
 
Did you use a Chrysler/Jeep fuel pump or one from a parts store? What brand? Yes you can do the key on/off thing forever, won't really hurt anything.

Check out this tread and make sure your pump was installed correctly -> http://www.jeepforum.com/forum/showthread.php?t=138580
 
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