20 Most Recent 2007 Kia Sportage 2.0 - Page 6 Questions & Answers

Possibly timing chain tensioner.

sounds like its a hydraulic problem check for clutch fluid level/leakage try bleeding the system

The next stage must be to check the voltage supply and ground at the fuel pump. If all is well there it is probably a faulty pump.

check the clutch start switch or the park neutral switch operations you need the clutch in to start and there wia switch there that may need adjustment same for the auto park /neutral switches check wires

You put too much in and the pressure is too high. There is a pressure switch on the system to shut the compressor off on high pressure to prevent damaging the system. Adding more only made it worse. Best thing is to have the system emptied and refilled to manufacturer specs.