Chrysler Repair: Chrysler power loss, chrysler power, chrysler voyager

Question
Hi. I have a 98 Chrysler Voyager 2.0 with an LPG conversion that lacks power. It has lost power on acceleration most noticeably going uphill. High revs but speed keeps dropping on both LPG & petrol. It also sounds noisier under the bonnett when you accelerate over 40. Exhaust was recently checked for emissions for MOT & it was fine on petrol. Any suggestions please.
Thanks

Answer
hello joanne
the first thing is you want to bring it to a shop and have a comprosen check done on all cyl . it should 140 on each if thire is not then u can go to the parts store and by oil eng restore  it does really work . good luck to u hun and if you need more help please let me know and u have a pretty name please rate my serivice pete