Rough IDLE on the 320 6 cyl.

[steved]

90,000 + - miles. started to rough idle a couple thousand miles ago, now the "Check Engine" light is on too.
Before I pay the Dealer $100 an hour + parts...
Anyone know if there is a cheap oxygen sensor or somethning to replace?
It has dual spark plugs per cyl , so I doubt that's it.

And I did let it idle in drive hoping the computer would adjust it. No luck. That worked on my Acura.

 

[steved]

FYI dealer said Needs EGR $250 and I can idle smooth.

that's all .

 

[piestore]

rough idle

hi

there is a good chance it is the air mass meter but they are a bitt dear to buy just in case try to borrow one if you can

 

[KLP 92]

I agree probably the sensor. try to disconnect the sensor and then start and see if its still rough. On mine when the sensor was faulty when i disconnected the sensor it smoothened out slightly