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Discussion Starter · #1 ·
During diagnosis of a misfire / cps issue(p0343) I have somehow put the beetle into Idiot mode. Car was running great on dry days and had a slight miss on wet days. So I was going through the steps of testing the usual culprits (ignition coil, plugs, wires, Cps) found a broken plug wire on cyl. 2 and figured this was the cause of both my codes. I then unplugged CPS to test voltage and it was in spec. plugged back in and now beetle will not rev past 3100 rpms in any gear/neutral. before I did this test, the car was running well and would go the whole way to redline. Now it seems that there is a rev. limiter at 3100. With engine off and key on TPS reads normally 4% - 100% , with engine running and gas pedal floored it maxes out between 9% and 12%. Anyone ever have a similar issue?
 

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5/23/10 <3
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11,416 Posts
Sounds like limp mode. Have you scanned for codes since that has happened?
 

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5/23/10 <3
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11,416 Posts
Have you scanned with VCDS by chance? I had limp mode in my GTI and a generic reader didn't pick up the code.
 

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My daughter's 02 kept going into limp mode when raining. Found there was water getting to the TCM under the passengers carpet. Fixed the issue with some undercoat spray and few rubber grommets
 
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