Question about 1995 Pontiac Firebird

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Help i have a 1995 firebird 3.4 that idles to fast and if you let it set for awhile the battery goes dead

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  • sms1970sms Jan 04, 2009

    done cheked the alternator it was good

  • Mazuri Jan 10, 2009

    My daughter's car is a 95 firebird that does the same thing: idles waaay too high and, if we let it sit for more than a week, it won't even turn over. The battery and alternator are brand new.

    Wondering if we should just sell and get her another car?


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Hi you should check the alternator, when the charging sistem is defective ,the idle goes up to keep the engine runing ,the battery is not getting charge so eventualy it will go dead.

Posted on Jan 04, 2009

  • Tony Rodriguez Jan 05, 2009

    Hi, if alternator check out ok,it must be a defective battery>C1


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2 Answers

Jeep wont charge

wow no year stated, nor car. a willis jeep> 1945?
in 1945 it has no Alternator !
General answer , for all cars:
dead parked, or dead moving ?
no person can help lacking that critical fact,
sounds to me like, impossible question !
if it goes dead moving the alternator /gen system is failing.
if the battery goes dead parked, that means you have phantom drain.

we can find out which it is , with a $10 DMM meter at walmart
$20 is a better buy.

so if it drains over night check for lamps stuck on.(aka. dark current)
if drain driving, then.
check for 13.3 to 15vdc, running, engine.
if low, the alternator system (charge) is failing
at no time did i say any part was bad or to buy them. (i never do until i do tests)
drains here.
works on all cars.

moving dead.:
there are other rare causes..
like the engine will not idle at 800 rpm or more.
see this, the alternator goes off line below that much.
and can drain a battery fast deep in the city at infinite red lights
and traffic jams.
that is why getting a car with hands on service by a real ASE
tech, works best , he /she sees all this in 5 min flat.
saving all this grief.
like , oh crud, it idles a 500! (that be it)
or charge lamp is on?

the old jeeps love to kill batteries, with old DC generators. (ask)
oh my, the OBD2 scan tool says my ALternator is off line.
or other DTC errors, about power lost to many places.
use a scan tool if car is newer.

this car?

sad the owner can't tell year or model.

Dec 13, 2014 | Jeep Cars & Trucks

1 Answer

What makes a 1995 geo tracker idle up and down when it is low on water

low , you mean the radiator is low? inside it?
why is .>>? fix that first.

but when the RAD goes slow so does the water near 3 things.
the themostat does not work in air, it goes NUTS.
same with ISC valve (speed controller)
same with IAC valve .fast idle valve.
same with ECT sensors.

the EFI system can not work right at all low on water, this is called
a first order failure.

Jun 24, 2014 | 1995 Geo Tracker

1 Answer

My dodge dakota will not idle and the battery keeps going dead

The problem with a lot of dodges is that the computer will loose the idle memory when battery power is lost, to regain the idle just hold the gas pedal a little to keep engine running for about 2-3 min then release the pedal and it will idle on its own, if the battery goes dead it will loose idle again.

As far as the battery going dead you will need to check a few things, first have the battery tested a bad battery that doesnt hold a charge can test good and still be bad due to it can not hold a charge. the battery is charged and if it tests good try this, unhook one battery terminal over night or for as long as it takes to drain normally. if the battery goes dead unhooked then the battery is your problem.

At the same time the battery is tested have the alternator tested. Make sure its tested good. what i mean is tested at idle with all acc on, like lights heater, rear defoger and etc.

Hope this helps. good day

Sep 25, 2011 | Cars & Trucks

1 Answer

1995 3-8L V-6 Pontiac firebird wont start. i get nothing when i turn the key. It's not the battery

Welcome to
Take a volt meter to the starter's red wire do you have voltage there? The red wire is from the battery. Let me know?
Thank you for Using Kind Regards, Lee Your FixYa Expert and Master Technician


Feb 10, 2011 | 1995 Pontiac Firebird

2 Answers

1982 firebird trans am with the 5.0 V8. when started ti immediately goes to 7000 rpm. Looked at the throttle linkage and it appears to be free and working correctly. what else should I be looking for?


Dec 08, 2010 | 1983 Pontiac Firebird

1 Answer

My battery always going dead..i just replaced it and the alternator is good .i have 1987 firebird.i guess i've got some type of voltafge leakage..i checked all the lights..and everthing still can't find...

you need to find a good old fashion shop that can check your car for a 12 volt drain,it can be done it just takes awhile,and it would be very hard to tell someone how who has never done long as your sure your battery is a good one and not a rebuilt one.

Nov 16, 2009 | 1979 Pontiac Firebird

1 Answer


Have you tried cleaning the throttle body?

Apr 28, 2009 | 1991 Nissan Maxima

1 Answer

1995 pontiac firebird formula v8 idle

The idle speed is not adjustable, it is computer (PCM) controlled, you can turn the screw for the hard stop, but the computer will just over ride that adjustment for the most part, what I think you may need to do is clean the throttle valve and the idle speed control air bypass valve, use carb spray, spray it in the intake with the engine running use the at least 1/2 the can, the engine will try to stall, keep it running, after you are done disconnect the battery for 10 minutes, reconnect and drive a few days so the computer (PCM) can relearn your driving habits and set the idle correctly based on your driving.

Oct 16, 2008 | 1995 Pontiac Firebird

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