View Full Version : 1998 z28 rough idle?


Ed Beckelheimer
07-22-2012, 01:18 AM
hello my 98 z runs strong but has a rough idle it only has 72000 miles and one time i stomp into it cant hold it another time i just get a little chirp and i go ok butnot full performance it does have factory plugs should i start there also the fuel pump is really loud id that normal????

johnp94
07-23-2012, 08:35 PM
Could be alot of reasons, vacuum leak, intake vacuum leak, fuel issues, egr but probably not at that mileage. I think it's mechanic time. Hope others can respond also.