93 Camry Idle Problem - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 03-07-2011, 06:58 PM
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93 Camry Idle Problem

I have a 93 Camry with a 2.2L 4cylinder. Its been annoying me lately with the idle issue. What happens is while idling, the rpms slightly surge up and down. Maybe 100 RPM.

I have a couple ideas of what the problem may be, but haven't done anything yet. The problem isn't so big that it affects driveability its just very annoying.

thanks in advance for your suggestions
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#2 Old 03-08-2011, 11:44 AM
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bumpity bump bump bump
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#3 Old 03-08-2011, 02:40 PM
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Most likely the IAC (Idle Air Control) valve needs to be cleaned. Here's a DIY showing how to clean the throttle body and the valve.

1992 Camry LE, V6 (3VZ-FE), ABS brakes, dark emerald pearl, owned since new. Replaced HGs @332k, now at 367k miles
1996 Avalon XLS, ABS brakes, super white II, acquired w/ 139k, now at 309k
2001 Yamaha FZ1, Ivan's jet kit, resprung, Ohlins rear shock, Race Tech cartridge emulators in forks, 49k
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#4 Old 03-11-2011, 09:31 AM
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that would cause the car to bounce around 100 RPM? I really dont notice it cold, because its idling higher but i do notice it when it gets to normal operating temperature.
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#5 Old 03-11-2011, 02:41 PM
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Yeah, the IAC valve can cause idle RPM to hunt around. And it's a pretty common problem, especially with a lot of miles on it. Plus it's cheap to clean the valve, so it's a good place to start.

How many miles are on yours?

1992 Camry LE, V6 (3VZ-FE), ABS brakes, dark emerald pearl, owned since new. Replaced HGs @332k, now at 367k miles
1996 Avalon XLS, ABS brakes, super white II, acquired w/ 139k, now at 309k
2001 Yamaha FZ1, Ivan's jet kit, resprung, Ohlins rear shock, Race Tech cartridge emulators in forks, 49k
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#6 Old 03-11-2011, 05:08 PM
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If you have one, put a code reader on the vehicle and see if you have any pending codes. These are codes that have not warranted the CEL to illuminate but could in the future. My code reader shows the pending codes by adding a "PD" next to the code.
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