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Author
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Topic: i think i have a problem with my computer
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menlo pony
still learnin'
Member # 4301
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posted
 
 
someone told me that if i did have a poblem with the computer then i should unplug the battery after i turn on the car, and see if it runs better, then i would know that it was the computer???????
wouldn't the computer run off the current produced from the alternator?
[ October 31, 2004, 01:18 AM: Message edited by: menlo pony ]
Posts: 776 | From: Santa Cruz y Menlo Park | Registered: Mar 2004
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Blind
2.3L
CAFords OG
Member # 3052
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posted
the test you just described is to see if the alternator works or not.
some people say that test harms the computer, you may have that confused / whomever told you.
[ October 30, 2004, 11:30 PM: Message edited by: blind ]
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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HaulinAss Motorsports
Its a STREETRaceCar!
Member # 541
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posted
what they should have told you was disconnect the battery while the car is off and turnon the heeadlights which will drain any stored energy in the computer.leave it disconnected for about 10 mins and then start is back up and see if the car runs any different.what that does is it clears all the existing codes that may have been stored.from there you should run it for a bit and then run a scan to see if any codes come up.
the computer is most likely not the problem but a sensor or something out of tune.the scan will tell you this if it is indeed an electrical/computer/sensor related problem and not a mechanical issue.
[ October 31, 2004, 03:18 AM: Message edited by: HaulinAssMaro ]
Posts: 22472 | From: Sacramento | Registered: Nov 2001
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
quote:
Originally posted by HaulinAssMaro:
what they should have told you was disconnect the battery while the car is off and turnon the heeadlights which will drain any stored energy in the computer.leave it disconnected for about 10 mins and then start is back up and see if the car runs any different.what that does is it clears all the existing codes that may have been stored.from there you should run it for a bit and then run a scan to see if any codes come up.
the computer is most likely not the problem but a sensor or something out of tune.the scan will tell you this if it is indeed an electrical/computer/sensor related problem and not a mechanical issue.
What he said.... ![[Big Grin]](biggrin.gif)
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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cobraracer46
¯
Member # 1142
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posted
quote:
Originally posted by blind:
the test you just described is to see if the alternator works or not.
some people say that test harms the computer, you may have that confused / whomever told you.
Disconnecting the battery while the car is running is a good way to cause a huge voltage spike and destroy an alternator and other senstive electrical parts.
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2001 SVT cobra convertible with a Viper T56, Fikse wheels, Griggs frame kit, roll bar, Vortech, 4:30 gears, brembo GT brakes and more.
Posts: 1172 | From: Woodside California | Registered: Apr 2002
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