I have 2006 jeep liberty sport 3.7 I have to pump the gas pedal to start then I can get to 1000 rpm after that it seems it starving for fuel hisatate re place fuel pump fuel injector crank sensor camshaft sensor tps masair flow sensor new throttle body air filters what else is there to do please help it 3 years I've been chasing the this and new timing chain kit it not out of time