Question about 1999 Toyota Camry

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Idiling Issue Hi I have 2002 Toyota Camry 4 cyl. About a few weeks ago it started to have idling problems and the check engine light came on. When I?m driving it just fine, but when I come to a red light or a stop sign it starts to fluctuate and flutter like its struggling to stay on. It hasn?t stalled, but it feels like its about to then it goes back to normal flutters then goes back up flutters then goes back up. I took it to a mechanic and was told it had code 402 and another code but the mechanic said the second code was due to the first code something about an injector. Well he said it had a bad coil so I got that changed then he said I needed to change my spark plugs because they were the wrong ones. I looked it up I have NGK standard plugs he said I need NGK platinum and I need to change my injector is this correct or is he taking me for a ride. I would like to get this fixed and have no problem paying to get it fixed I just don?t want to change every single thing in the car pay $2000 or something to find out its still has the same problem. Has anyone run into this issue and how do I fix it? Thanks,

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I had a similar problem with my 1999 camry 4 cyl except the check engine light never came on. When engine warmed up if I would stop at a red light it do almost exactly as you described. I would clean the throttle body and definitely the IAC (Idle air control) valve. Check out this link http://rav4world.com/forums/viewtopic.php?t=11555

I cleaned mine a little differently than this link. I used throttle body cleaner and sprayed inside the IAC hole. The spray tube would not reach down in the hole so I used a small piece of aquarium air line to extend the sprayer. I did a few 3 second bursts and then let soak about half hour. Reconnected air intake hose and drove it a few blocks and repeated the process. I replaced sensors, had injectors cleaned, new plugs etc. and nothing helped until I cleaned the IAC. After cleaning I would have the injectors cleaned.
Hope this helps.

Posted on Jul 22, 2008

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