SOURCE: 2000 Camry 4 cyl 2.2L.
I have exactly the same problem and codes you listed on my 2000 Camry 4 cyl. I replaced the plugs which had no effect. My friend mechanic said the problem is deffinitely the wires and I could also need to replace the coil pack.
SOURCE: 97 Ford Ranger 4.0L V6 Idles rough only when cold
Orand
Ther is a air Idle control valve located on the side of the throttle body. unplug it remove it spray it and clean it with carb cleaner replace it plug it back in and you will be a Happy person again.
Lugnut61
SOURCE: misfire in cylinder 1 2001 mercury sable
Next change swap the injector with another and see of the problem moves. If it does it's a bad injector.
SOURCE: random misfire
Intake manifold gasket or cracked intake manifold will cause a variety of problems including rough idle and random misfire. You can try spraying a little carb cleaner at various points around the intake manifold while the engine is idling and see if the RPMs pick up at any point. This would indicate that it is drawing air in someplace where it shouldn't. The slow acceleration is probably because the computer has set itself all out of wack and is trying to compensate, that's why you get codes like O2 sensor when it really isn't bad, it's just raw gas getting to it.
SOURCE: 2003 GMC Sierra Has recently developed
You never replace anything, on a Wishing,Hoping,Pushing,Poking,diagnostic approach
You learn the vehicles Systems,Test,then Replace,if you have a failed component.
Work on the Misfire Issues.
Then you lean O2 Codes will go away.
Not a the plugs.
Think lean---Vacuum leaks,EGR Valve leak,EVAP System leaks,anything with a hose that lets air into the intake system.
Exhaust System leaks,near sensors
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