Question about 1998 Pontiac Sunfire

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I thought i had a bad battery, so i bought a new one. Upon installation the car would not turn over at all. and the theft system light came on. Could a new battery do that to the car. and where do i input in code

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Yes if battery has gone flat over time ,common occurance and now its a dealer only job also you may even need a new computer because of brown out .

Posted on Sep 03, 2010

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Try tapping the starter with a hammer or wood, for one if it turnes over then its the starter if not.
then if your car has the code chip reader in the ignition (pass lock 2) system, the problem lies in the steering column there are 2 small orange wires that go into the ignition cylinder and brake.
the fix is to order a new pass lock reader. not somthing you want to do yourself if you have only a hammer and a screw driver in your tool box.

Posted on Sep 03, 2010

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Related Questions:

1 Answer

If the anti-theft system was activated by a problem key, would you still be able to turn the lights on ( both head lights & inside lights?)


Yes. Security systems generally only prevent the engine e from starting/running. They do not affect any other systems. Theft system light should be on or flashing if theft system is problem

Oct 18, 2016 | 2006 Toyota Sequoia

1 Answer

2003 Aurora, left key on and battery went dead. Recharged battery. Won't start. Turn key to on, security light out and check engine light on. Move key to start and nothing, back to on, one minut


Very interesting site here.. regarding your problem. http://vatspasslockpasskeysecurityhelp.yolasite.com/
Another thought.. even though you charged the battery, it's not at all uncommon for a car battery to be very damaged by fully discharging. Especially if not new-ish. One or more cells in it may be bad causing the overall voltage to be under normal. This alone can cause the problem you have. I would try jumping it with another car or test the battery to see if it's got at least 12.7 to 12.9 volts when sitting doing nothing. Good luck.

Nov 28, 2012 | Cars & Trucks

2 Answers

2004 ford explorer will not turn over with key but remote starter switch makes it turn over


Its a good possibility that the Anti-theft is interferring with the circuit. If you have an extra ignition key, use that in case the password chip in your regular FOB has detriorated.

There is a brake sensor which is on the upper brake pedal. It interlocks with the starter to prevent starting without having your foot on the brake pedal. Check your brake lights for operation. If the brake lights stay dark with your foot on the pedal, the switch is broke or knocked out of position. A common problem.

Next, there are small wires for the starter solenoid. You can use a test light on one removed wire and ground the test light to the vehicle, the other end in the small wire. Turn the keyswitch to start, with brake pedal pressed and see if it lights up. If it does light up, the starter solenoid may be bad.

Battery level. Ford Anti-theft and some say Battery-saver, can cause both starting and charging problems. A fully charged battery can be at 13.2V- 13.6V. When Ford systems detect low voltage it can activate the Anti-theft, battery-saver, and even disconnect the charging system to allow the battery to completely drain. In some cases the Anti-theft drops starter voltage to around 7V so the starter will not spin. Have the battery tested.

I know of 2004 trucks that were jump started and showed charging, then after 5-10 minutes they lost the charging system. Some people lost the charging system at 70MPH and drove until they stalled. All because of the automatic features built into the trucks. A new battery fixed the problem. Your problem could stem from this.

May 28, 2012 | 2004 Ford Explorer

1 Answer

Turn key on to start everthing lights up but does not turn starter over.thought it was the starter and bought a new one still no start


It may be your anti theft system. Read this link

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Feb 06, 2012 | Cars & Trucks

1 Answer

Car quit running thought it was fuel filter put a new on but it did not solve the problem, so put on a fuel filter still no go then put on crank shaft censor still sitting someone said that since theft...


Theft light is it flashing, if it is that's the problem, get in car turn key to on wait about 10mim or so till light stop's flashing, turn key to off then start car. also check for fuel pressure up on fuel rail, if you have fuel pressure not theft system, also check for spark at spark plug or coil pack's which ever easier to check, if no spark possible bad crankshaft sensor, could be a bad coil pack or ignition module but it would still start but with a bad miss.

May 19, 2010 | 1999 Chevrolet Cavalier

1 Answer

Anti theft lock


disconnect the battery for 3 mins

May 04, 2010 | 1999 Ford F150 Regular Cab

1 Answer

I turn the key to start and nothing.


have ur battery checked first if battery charge is fine then have a car electrical system malfunction....

Apr 09, 2010 | 1998 Pontiac Sunfire

1 Answer

2001 Ford Explorer Sport wont start


Even though I bought the vehicle new, there was an aftermarket security system installed. The system had a bad diode, so i removed the system and reconnected the factory wires.

Mar 27, 2009 | 2001 Ford Explorer Sport

1 Answer

Theft system 2000 malibu ls


try this: turn key on, crank starter for 1 second, leave key on for 10 minutes. after 10 min. shut key off and repeat 3 times. (on second try, crank a sec. or so longer, the reprogram may take off right away. if not, repeat make sure battery is strong, key could be on for 1/2 hr. sometimes engaging emergency brake before key is turned on prevent daytime running lites to come on to save battery power (if equipped). been through it, thought i'd mention it

Nov 16, 2008 | 2000 Chevrolet Malibu

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