Search results | Ford Explorer Forums

  • Register Today It's free!

Search results

  1. M

    i need help on my 91 ford explorer

    i have a 91 ford explorer 4.0 4x4 xlt and i put a new used engine in it and it was revving at 4000 rpms. i found a vacuum leak on my brake booster. it is now revving a 1500 rmps put im only getting 10 mpg but before i put the new motor i was getting almost 20 mpg?
Back
Top