AFTER A REPLY FROM A DCFISH I DIDN'T GIVE ENOUGH INFO. IT WILL TURN OVER , BUT IT JUST DOESN'T SEEM TO WANT CATCH. TIMMING BELT IS OK. BATTERY IS HOT, GAS IS FINE. I DID FAILO TO MENTION THAT JUST BEFORE REPLACING THE CATS,WHILE TRYING TO FIND OUT WHY THE STOPPED TO BEGIN WITH,THE CAR DID A BACKFIRE.I HOOKED IT UP TO A CODE READER. IT WAS THEN THAT I FOUND THAT THE CATS WERE STOPPED UP.THEN,,,, THE CAR WOULD NOT START. SORRY FOR THE LACK OF INFO. MAYBE THIS WILL HELP, THANKS.