00NavySLP

first off if this is the wrong area forgive me, anyways, I have a 2000 Camaro ss, when the car is cold theres no problem, once the car warms up coming to a stoplight where I idle for a while, I can feel a shudder, or comparing to what ive felt in the past maybe a misfire, not constant, its kinda random when it happens but a little shudder that you can feel in the brake pedal and steering wheel, also you can hear it in the exhaust note like a puh puhpuh puh puh pretty quiet nothing like a shotgun backfire sounding thing, ive changed the plugs and wires, and it didn't change anything, I thought it might be the egr maybe was stuck open, but I cleaned that and that didn't change anything either, I need some other direction to go or help if anyone thinks this sounds familiar

jimmyblue

iTrader: (11)

Mine's had an idle "hiccup" since it rolled off the lot,
seems to be common and benign. Poly motor mounts
made it more feel-able in the cabin rather than just
letting the motor jiggle by itself. If this is all it is, then
fuggedaboudit.

I chalk it up to the closed loop proportional fueling
swinging out into the weeds every so often, but
that's just a theory.