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1994 Cavalier Low Amp & Voltage
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car_troubles
Novice
Sep 8, 2011, 6:45 PM
Post #1 of 10
(1627 views)
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1994 Cavalier Low Amp & Voltage
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Hello, I have a 1994 Chevrolet Cavalier (automatic, 2.2 L, 151000 km) that's been having some electrical problems and I would appreciate any help I can get in solving them.
It started with the check engine light coming on about five minutes after starting the car, everytime we drove it. The air conditioning and heating would only really start working after the check engine light came on too. I tried to pull the fault codes manually, but it wouldn't give any. It didn't seem too major, so we kept driving it until it had quite a fit: the ABS, check engine and battery lights were flashing, the brakes were seizing up, it was over-revving and making a screeching kind of noise. After I got it home, it wouldn't start (wouldn't even try to turn over or click).
After having it parked for a month or so, I got a new battery for it (we had switched the previous one into a different vehicle) and it started up. So we brought it to the shop to get them to scan the fault codes and check it over. Their remarks were:
LOW AMP OUTPUT
CODE-23 INTAKE AIR AMP LOW
CODE-36 SYSTEM VOLTAGE LOW
They checked the battery and charging system, found that the battery was low, charged the battery, drove the car and determined that the car is giving a false code.
But something definitely seems wrong. Now the battery light comes on immediately after starting the car and it stays on unless I'm pushing on the gas. The check engine & ABS lights come on about five minutes after starting, and the AC and heat still only really work after that.
If anyone has any suggestions of what might be causing the problem or how to fix it, it would be greatly appreciated.
(This post was edited by car_troubles on Sep 8, 2011, 6:48 PM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 8, 2011, 7:19 PM
Post #2 of 10
(1618 views)
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Re: 1994 Cavalier Low Amp & Voltage
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That barely deserves a reply. Low output from an alternator in this POS is not rocket science. Learn the word "concise" or get ignored here,
T
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car_troubles
Novice
Sep 8, 2011, 7:34 PM
Post #3 of 10
(1613 views)
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Re: 1994 Cavalier Low Amp & Voltage
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Obviously it's not rocket science, but I still don't know how to resolve it.
Maybe you could try a concise response instead of one that doesn't help? It honestly would be appreciated.
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car_troubles
Novice
Sep 8, 2011, 7:39 PM
Post #5 of 10
(1608 views)
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Re: 1994 Cavalier Low Amp & Voltage
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drove the car and determined that the car is giving a false code. And exactly how did you come to that conclusion?
That was the conclusion of the mechanics where we brought it in. But based on the symptoms I'd say they're mistaken.
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 8, 2011, 7:41 PM
Post #6 of 10
(1604 views)
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Re: 1994 Cavalier Low Amp & Voltage
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How about some actual test results?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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car_troubles
Novice
Sep 8, 2011, 7:48 PM
Post #7 of 10
(1596 views)
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Re: 1994 Cavalier Low Amp & Voltage
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Yeah I'm sure that would be useful. Unfortunately though all I have is those fault codes and what the mechanics told me.
I doubt they keep the test results on file for customers to access later.
Anything you can think of without seeing those?
(This post was edited by car_troubles on Sep 8, 2011, 7:49 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 8, 2011, 7:51 PM
Post #8 of 10
(1592 views)
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Re: 1994 Cavalier Low Amp & Voltage
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The first thing you have to do is positively determine if the alternator output is sufficient before you consider anything else.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 8, 2011, 7:57 PM
Post #9 of 10
(1584 views)
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Re: 1994 Cavalier Low Amp & Voltage
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Isn't that CAVEMAN technology and don't insult me or the whole thread is gone!
Tom
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car_troubles
Novice
Sep 8, 2011, 8:28 PM
Post #10 of 10
(1573 views)
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Re: 1994 Cavalier Low Amp & Voltage
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Okay, I'll borrow a multimeter as soon as I can and post again once I have some results.
Thanks.
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