Question about Pontiac Grand Prix

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Car wont stay charged new alt, new battery, runs for a while but will die after few minutes running

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  • Pontiac Master
  • 33,294 Answers

If your Pontiac has some years/miles on it and has the original starter, it may be shorting and causing the heavy drain on the battery

Posted on Oct 14, 2013

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6ya6ya
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Posted on Jan 02, 2017

fixincars
  • 335 Answers

SOURCE: 1994 pontiac grand am fuelinjected

Is it the Quad Four 4 cylinder? Pull the spark plugs and try to turn it over to confirm you do not have hydrostatic lock from a blown headgasket Quad Fours are known for that if thats no help please contact me So I can give you more information but tell me which engine you have Please

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Posted on Aug 17, 2008

MrScary66613
  • 1990 Answers

SOURCE: i have a 1999 intrepid that wont stay running after a few min.

it sounds a lot like the Timing is off. I would locate an Authorized Mechanic to set the Timing.

Posted on Jan 24, 2009

Fog Horn
  • 17 Answers

SOURCE: battery charge light comes on a few minutes after car starts

Couple of things to check, first this may be nothing more than a belt that has loosened or stretched after the install.There should only be about a quarter of an inch stretch in the belt between pulleys. Caution - only check with engine stopped!!! The alternator causes a strong resistance when it is producing electric power, so slippage is to be checked first. Second, if the battery light comes on and off; it maybe acting in error. Get a multi-meter and check the battery voltage with car and ignition shut off. With the meter set on 12volt bat, place the black probe on the negative side of battery or ground and the red probe on the positive side of battery. If you get a reading of 12.66 v the battery is being charged and is full. If you get 12.45 you have a 50% charged battery. If less the alternator wiring needs further checking into as there maybe issues with wiring or the alternator itself. Hope this helps.

Posted on May 27, 2009

ourhowse
  • 2007 Answers

SOURCE: 1998 3800 v6 firebird... wont run right after starting

Possibly a weak fuel pump, idle air control valve, vacuum leaks, or loose or damaged wiring in the ignition system. Check for vacuum leaks first. That's the only one that won't cost anything. Make sure all intake bolts are tight, and all hoses are connected properly and in good condition.

Posted on Jul 20, 2009

1fastbob
  • 301 Answers

SOURCE: Battery dies after car is sitting for 2 days. Alt

I assume you have replaced the battery? If not have it tested.

Check to see if a glove box light, trunk light or under hood light is staying on. Also you can remove the negative battery cable and then reinstall it. When reinstalling it, if you see a spark (other than just a very small one) there is a current draw on the battery. This current draw can be isolated by pulling one fuse at a time to see when the battery stops sparking on reconnect. It is possible you could have a shorted voltage regulator causing the current draw also. Many things can cause this problem.

Posted on Sep 24, 2009

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is the engine running at 800 rpm or more.
if engine RPM is way low the Alternator will die out.
trans light , where is that? name it. exactly
lets focus first on the engine, and RPM
does the dash have a tachmeter, ? yes, then use that.
we keep a hand tachometer (optical , ready for no tach cars)
RPM is everything.... maxwells laws. and such.
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1 Answer

Battery will stay charged


Have the battery charged and tested and then test the charging system. You should never run a car with a very dead battery. that will burn out the alternator.

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Light stays on . i have a new alt and new battery and new wire leading from battery to starter to alt. if i disconect the battery the car dies. the alt was bench tested and puts out 15.1 volts yet wont...


Check the drive belt tension and wiring connection at the alternator and at the battery. Check for a blown fuse in the fuse block . -hope this helps

Feb 24, 2010 | 1985 Cadillac DeVille

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91 ford temp w/new alt. ran good for a few days but now it died again and the amp light is on. Can jump it off and it will run for a while. Has new alt and new battery. Also , when you get on the brakes...


HI there
Try checking a few things first like jump start again and then take off the earth lead only{black} and let it run for 6 minute on idle then turn on the head lights main beam ,,if the engine dies in about 2 minutes then the Alternator isent working full power as it should be pumping out 13.5 volts min and the lights should be bright and stay on... if not you have a Alt problem still like a bad feed to alternator or a bad connection on the battery post or a loose wire from engine to body {earth wire } also check out the relay to Alt ..
Let me know how you get on . RON

Nov 15, 2009 | 1991 Ford Tempo 4 Door

1 Answer

Not charging


First tell me why you don't think it's charging.
Because of the voltage reading you are getting at the battery terminals? The range you want is between 13.6v to 14.2v. The higher the voltage the lower the amps. and true the other way, the lower the voltage the higher the amps. If you get a reading of 13.6v or lower, the alt is nearing or at max output. An alt can only run at maximum for around fifteen minutes and it will start slinging solder from overheating. It's a good indication the battery is either totally dead or junk. Charging above 14.2 the alternater is running wide open and is only putting out high volts which will cause the battery to boil , in turn destroying it. This is a bad alternater. All alternaters have integrated voltage regulater with the exception of ver few of the earlier ones. You cannot test an alternater by removing a battery cable to see if the engine keeps running without taking great risk of damaging the alt, regulator. So tell me why you feel it isn't charging. Remember an alt is not made to charge dead batteries. Their sole function is to maintain the battery charge. Without a battery, the alt won't last 10 seconds.
Hope to hear from you and good luck.

Sep 23, 2009 | 1986 Chrysler LeBaron

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1983 ford bronco 302 engine wont stay running after jumped


keep in mind, your engine use both source of power to run, one from the battery and one form alternator. If the alternator is good, your engine should stay running regardless if the battery is good or bad, the alternator should keep the engine running. It sound like to me the alternator is faulty not charging your battery or keeping your engine running, even though the alternator is brand new does not mean is good. My guess I would take the alternator back and get another one. the reason why your car ran for 25 min and die it has no source of power to keep the sparks going although the alternator should keep the engine running and at the same time charging the battery but is not.

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1 Answer

Altenator problems


On an American designed charging system the truck should remain running, on Japanese cars it will die, but to anser your question yes you almost surely have a defective alternator. Make sure the battery is fully charged before the new Alt. is installed, if you don't the new Alt can be overheated and damaged.

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