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Key dance and no codes

 
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Old 07 Mar 2014, 03:26 pm
Ray_Dockrey's Avatar
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Default Key dance and no codes

I have been having an intermittent check engine light that finally caught up with me. The very first time it came on I did the key dance and got the P0340 code. The last two times it came on the key dance showed no codes.

Today it came on and the car went into limp mode. Got it home and the key dance showed no codes. But when I hooked my reader up it it it showed stored and active codes for the camshaft position sensor.

Went and got a new sensor, cleared the codes, and so far so good. So the key dance doesn't always work. It's a great place to start but just because it doesn't show anything doesn't mean there isn't any codes there.
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Old 07 Mar 2014, 03:55 pm
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Default Re: Key dance and no codes

Quote:
Originally Posted by Ray_Dockrey View Post
I have been having an intermittent check engine light that finally caught up with me. The very first time it came on I did the key dance and got the P0340 code. The last two times it came on the key dance showed no codes.

Today it came on and the car went into limp mode. Got it home and the key dance showed no codes. But when I hooked my reader up it it it showed stored and active codes for the camshaft position sensor.

Went and got a new sensor, cleared the codes, and so far so good. So the key dance doesn't always work. It's a great place to start but just because it doesn't show anything doesn't mean there isn't any codes there.


I didn't know that good info!
randyincctx likes this.
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Old 07 Mar 2014, 04:58 pm
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Default Re: Key dance and no codes

I know this argument came up here while back. I just wanted to share my experience with it. My code reader was one of the best investments I have made. It does live data streaming plus records drive data. Well worth the investment I made.
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Old 07 Mar 2014, 06:16 pm
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Default Re: Key dance and no codes

Yeah I just replaced the wives Cam sensor today.

She had been having issues but yesterday it was really bad.

The key dance showed nothing, plugged in the scanner and the ol P03040 showed up.
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