Question about 1996 Pontiac Sunfire
I bought a 1996 Pontiac Sunfire from an auction that had no keys.I had my uncle try to hot wire it but that didnt work. It has a factort anti theft system that I cant seem to bypass even though I went to the junkyard and got another ignition and lock cylinder from a nother Sunfire. How can I get my car to start and not shut off immedietly?
In the 1996 sunfire GM uses an anti theft lock system. It can be triggered by all sorts of things. In order to relinquish this you must have a key to turn the ignition. These are not coded just plain cut keys. Once you attain this you put the key in and turn the ignition to the ACC position and wait ten minutes (theft lock light will turn off), turn off and take key out. You MUST do this 3 times and then the theft lock will be disarmed.
Posted on Jun 02, 2009
I'm going to assume this has the VATS system with the pellet in the key. You need to know the correct resistant of the factory pellet and bypass the system using that value. A quick google search will result in many articles on how to bypass the VATS system, as it's required when installing a remote start system in most late 80s-mid 90s GM vehicles.
Posted on May 10, 2009
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Posted on Jan 02, 2017
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Tip & How-To about Cars & Trucks
Want to bypass your vehicle security system?
The short answer is you can't! You have to fix the parts that don't work. You reset by disconnecting the battery for 2 hours and reconnect the battery making sure the key is in the ignition.
All modern cars have alarms and immobilizers. There is a chip in the key and a chip in the ignition lock. If both are present, the ECM (engine control module) releases power to the ignition circuit. When you turn the key, the starter spins the engine and you get a spark. If any one of those three items are not in the chain, you get the engine to turn, but no spark. There is no way to beat the system.
The immobilizer is in place to stop exactly what you are trying to do.
Posted by Andrew... on Mar 26, 2016
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