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2nd Gen Neon 2000 - 2005 2nd Gen Neon

Where is the Voltage Regulator?

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Old 08-06-2008, 05:26 PM
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Default Where is the Voltage Regulator?

I called the local dealer and they said that the voltage regulator is located in the computer. Is this right? Is it not on the alternator? I ask because my car idles at around 600rpm and it's ticking me off. I thought maybe i needed a new voltage regulator. I've had the alternator checked and they said that was fine.
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Last edited by cmplant3210; 08-06-2008 at 05:34 PM..
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Old 08-06-2008, 08:08 PM
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its in the PCM
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Old 08-07-2008, 01:24 AM
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Nope the PCM controlls voltage regulation.

As for your idle, most Neon's idle at 600-700 RPM and voltage has nothing to do with it.

If you want a higher idle then drill a tiny hole in the butterfly plate on the throttle body. The larger the hole the higher the idle...
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Old 08-08-2008, 03:51 AM
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Hmm, some pre-'90s cars had adjustable voltage regulators on the alternator... a lot of cars after that had fixed voltage regulators built in to the alternator... I wonder why DCX would put in IN the PCM? Fear of "tampering" of it by the owner?
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Old 08-08-2008, 08:55 PM
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The Electronic Voltage Regulator (EVR) is not a separate component. It is actually a voltage regulating circuit located within the Powertrain Control Module (PCM). The EVR is not serviced separately. If replacement is necessary, the PCM must be replaced.
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Old 08-08-2008, 11:14 PM
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Quote:
Originally Posted by Parts/Service View Post
The Electronic Voltage Regulator (EVR) is not a separate component. It is actually a voltage regulating circuit located within the Powertrain Control Module (PCM). The EVR is not serviced separately. If replacement is necessary, the PCM must be replaced.
Like I said... it sucks that the EVR/PCM is combined. One less DIY repair for the Neon to add to the service list lol...
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Old 08-14-2008, 09:40 PM
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Thank you all for your help! Would someone be able to tell my where the throttle body gasket is located? I'm wondering if that fell off when I put my cold air intake on and im having problems finding a site that shows where it is.
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