car is spitting and a sputtering....

[Kid Racer]

hello..any way my car is spitting and sputtering whne i hit 3,000 rpms or as some people have refored to it as braking down miss firing....any way i have replace the cap, the button, the plugs, the wires, and the coil..if any one has any ideal on this can u please let me know i have a 1991 z28 camaro tpi....

[deadtrend1]

what do you mean by you replaced the button?

How about ignition module? or fuel filter? Test fuel pressure at all?

dont we have other forums for this? clogged cat? sometimes feels like a back fire if some exhaust is getting through but not all. itll sputter alot

[Brando56894]

check the cat