2000 Pontiac Bonneville

Engine Performance problem
2000 Pontiac Bonneville 6 cyl Automatic 150000 miles

my car was recently put on a tester and the code po204 said it could have been a number of things I put a ne throttle sensor on it spark plugs and wires cclean the number 4 injector the only thing left was my egr valve and my car hesitates sometimes and makes a rough noise when idled it does it on occasions could my valve be sticking be the reason why sometimes its smooth and others its rough I can be oushing the gas sometimes on take off and its like it not getting enough gas then it will just take off