97lt1z28

iTrader: (1)

So here is my deal....i am throwing this code and like everyone else (yes i did a search) the car stumbles and shakes from 2K to 3K. so far i have
replaced a entire mass air flow sensor
replaced fuel filter
checked for vacum leaks
check plugs and wires
checked fuel pressure.
everything checks out fine. if i erase the code the car runs fine for about 1 day and then everything starts over again. Can you guys please help me find out where to look and what to check next> Thank you so much
The car is a 98 ls1 camaro all stock but headers and exaust
45K miles on it
6 speed

TomsSD

I solved the problem by changing #8 plug which still looked like original one and had almost no core left. It would still fire so it was not a more specific p0308 code. yes it's the back pass side one that you crall onto the top of the engine to replace after you swing aside the coil rail. I was even getting the rotten egg smell from the cats due to the misfire. and this fixed it before I ruined the cat.

97lt1z28

iTrader: (1)

alright i got a new set of plugs goin in this weekend. I am praying that this solves it. its so weired how the problem comes and goes..it seems to me if a plug or wire was shoot it would happen all the time. guess its time to get the knuckles bloody and change all these plugs out.

ls1jorge

iTrader: (5)

My problem was the fuse box under the hood, im not sure which fuse my friend replaced, but he installed a new fuse & problem went away, the fuse gives power to the coils, & I had misfire #3 & after all checking the basics plugs wires...etc it was only a dam blown fuse

97lt1z28

iTrader: (1)

did not think to test this...will def do tonight. anyone know the fuse he is talkin about??

ls1jorge

iTrader: (5)

Soon as you open the hood on your driverside there 2 fuse boxes, one of the boxes gives power to the coils check to see if any are blown, I dnt have a picture of the fuse box

WS6 Rampage

iTrader: (3)

Funny, never thought to check this. If THIS fuse is blown, does it throw a DTC? Or a specific P0 Code? My problem is a misfire w/o a DTC! Weird!

ls1jorge

iTrader: (5)

I'm not sure, the ses light on my car was only on for the front o2 sensor & misfire #3, P0300 then replaced some blown fuses & problem went away

WS6 Rampage

iTrader: (3)

Hmmm, I'll check mine too.

EVERETTDREW

iTrader: (2)

Any update on this.