Drew24

So my car is running rough idk what it could be i changed the opti, Plugs, Plugwires, O2 sensors, cleaned my mass air flow sensor, Cleaned and reoiled the CAI, and seafomed the car. Oil pressure is good and not smoking but running really rough at idle. Anyone think they know what it could be?

bigj2717

iTrader: (15)

Maybe your fuel filter or fuel pump. I would go for the filter first

Drew24

I replaced the fuel filter and the pump was recently changed about a year ago. Im completely stumped

jaycenk

iTrader: (1)

Check the fuse for the engine sensors and make sure it is good.

Drew24

Ok checked the relays and checked for blown fuses and checked all the plug wires to make sure they are in there tight and they are no check engine light or anything.

bigj2717

iTrader: (15)

Have you tried looking at the opti harness or checking for vaccum leaks?

Drew24

Yeah i changed the opti harness and made sure the vacuum lines are all pluged in. I also just changed the coil and same thing