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rear wheel speed erratic

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Old 05-02-2009, 08:09 PM
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Question rear wheel speed erratic

After cam install i now have this light and it is causing the service vehicle light.

Anyone have any clues or ideas?

Thanks
Old 05-04-2009, 02:13 PM
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What is the actual P---- code?

Usually, the most common code after a cam install is P0300 random multiple misfire....which you will need tuning to eliminate.


If you are throwing speed sensor codes after a cam install, then I would say it is unrelated to the cam.....unless you did some other work while the car was down.
Old 05-09-2009, 03:22 PM
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no other work and i will get the code.
Old 05-09-2009, 03:25 PM
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c0237 is the code
Old 05-11-2009, 08:52 AM
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I don't know why this light would come on after a cam install. Did you flash the PCM with a different OS for the cam tune? MAFless running, something like that?

I'm not very familiar with this code. If it comes form the ABS system (which I think it does) you may want to try cleaning the wheel speed sensors at all 4 points. It isn't uncommon for brake dust and crud to build up on them and goober the signal, or for one to get knocked out of place.
Old 05-11-2009, 07:04 PM
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No new OS, I will try that this weekend wit the connectors. I know it is not common after the cam install but i am clueless on what or where to look...
Old 05-22-2009, 09:55 PM
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Well after fixing the TPS voltage low/high with a new pigtail that light has gone away.

Now i just have the service vehicle light and the 2 loss of communication codes.



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