Question about 1999 Oldsmobile Alero

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My car would not start so I jumped it then I turned the air conditioner on and it stalled

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  • Oldsmobile Master
  • 14,036 Answers

WELL SOUND LIKE BATTERY PROBLEMS.HAVE CAR JUMPED START AGAIN. DONT TURN ON AC OR ANY ELECTRICAL COMPONENTS LET ALTERNATOR CHARGE UP BATTERY.WITH CAR RUNNING BATTERY VOLTAGE SHOULD BE 13.5 - 14.5 VOLTS. IF YES YOUR BATTERY IS DEFECTIVE.MOST OF THE TIME WHEN VECHICLE NEED JUMP START THE BATTERY HAS WEAK CELLS OR MAKE SURE BATTERY CABLES CLEAN AND TIGHT.IF BATTERY VOLTAGE IS NOT 13.5 - 14.5 VOLTS WITH ENGINE RUNNING.ALTERNATOR NOT CHARGING.CHECK ALTERNATOR FUSE + WIRES MAKE SURE THEY ARE TIGHT NOT DAMAGE.CHECK ALTERNATOR DRIVE BELT MAKE SURE ITS NOT LOOSE.DUE TO LOCK OUT FEATURES TURN OFF RADIO BEFORE REMOVING NEGATIVE BATTERY CABLE.

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

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  • 149 Answers

SOURCE: Air Conditioner

Sound unrelated. to many things to check for the AC problem, gas leak, compressor, condenser, evaporator, TX valve, HP-LP switch, belt, clutch, drier.plumbing, get my drift...

Posted on Jul 15, 2008

  • 9 Answers

SOURCE: Won't start, won't turn over, battery good, no headlights

wow just by changing the oil hey well when i first read it u said u repressurizing the AC i thought maybe the ac seeized or u forgot oil and the motor seeized. douht it head lights n not going in to neutral sounds strange

Posted on Jul 30, 2008

relaga58
  • 158 Answers

SOURCE: 1995 dodge neon stalls when air conditioner is turned on

turning on a/c should automatically increase the idling, so that's where your problem is. need to look at the system where the throttle is open a bit when a/c is turn on

Posted on May 09, 2009

  • 179 Answers

SOURCE: Mitsubishi Montero Sport 2002 Idle problem

the engine compensates for the load try turning up the idle screw also check the ignition system you might just need new wires and or cap rotor or your coil is bad also plugs

Posted on May 31, 2009

jingB
  • 19 Answers

SOURCE: Mitsu Montero Sport '02 engine stalls but not when air cond is on.

hi there. the reason that the engine idles good when the air-con is engaged is that ussually all vehicles nowadays have a vacumm advance mechanism. this is triggered mainly by a electric solenoid valve which is also attached parallel to the source supplying power to compressor. a small vacumm hose with a diameter like a common pencil or ballpen case. its made of rubber and it runs from the alternator vacumm pump then to the solenoid valve and to the vacumm advancer unit attached to the injection pump throttle. this system raises the idle a tad higher.

if your montero runs completely normal and you experience no other problems with your engine except for your present problem, then the solution is just raising the idle a little higher. if your montero is equiped with a RPM guage on the dash, try adjusting the idle to around 800 rpms. it would be healthier for your car if the idle raises a bit when you engage the air-con because this would compensate for the added load on your engine.

hope this helps.

Posted on May 31, 2009

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1 Answer

2002 Envoy stops running when turn on a/c


IF you are saying the engine stalls when you turn on the air conditioner, then the compressor has probably failed. Open the hood and start the engine, have some one turn on the air conditioner and see if you can hear the compressor kick in.

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Had car jumped, now it stalls when the air conditioner is turned on. alternator read ok. also changed battery but speedometer didn't work after jumpstart, it works with the new battery,but still


There is an idle speed control motor on the side of the car's throttle body that is supposed to keep the idle stable even when additional loads like the AC are on. It's possible the motor may be damaged due to a voltage spike when you had it jumped. It's also possible the AC system may be pulling the engine speed down due to an internal problem with a faulty AC compressor.
Did the shop that checked the charging system check to make sure alternator was charging properly with the additional loads of the AC, headlights and blower motor on? It's very possible the system is overloading a weak alternator.

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6 YEARS IS A LONG TIME FOR A BATTERY TO LAST. YOU ARE LUCKY. I WOULD GET A NEW INTERSTATE BATTERY & CHECK THE CHARGING SYSTEM, TO MAKE SURE IT IS OK. MOTOR RUNNING, THE VOLTAGE AT THE BATTERY SHOULD BE BETWEEN 13.90 & 14.80.

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Could be air conditioner pump. If it is seizing it would take a lot of horsepower to turn causing motor to want to stall. Also when the air conditioner is turned on the motor is supposed to increase idle to compensate for extra load, the relay for that could be b/o

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the engine compensates for the load try turning up the idle screw also check the ignition system you might just need new wires and or cap rotor or your coil is bad also plugs

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1 Answer

1995 dodge neon stalls when air conditioner is turned on


turning on a/c should automatically increase the idling, so that's where your problem is. need to look at the system where the throttle is open a bit when a/c is turn on

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