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sprinkles08
sprinkles08, ASE Certified Technician
Category: Mazda
Satisfied Customers: 22371
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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NEW KEY FOB PROGRAMMED BUT WILL NOT RESET IMMOBILIZER, 2007

Customer Question

NEW KEY FOB PROGRAMMED BUT WILL NOT RESET IMMOBILIZER
JA: Tell me a bit more about what's going on so he can help you best.
Customer: 2007 RX8
JA: Are you hoping to fix this yourself?
Customer: YES
JA: Great! What have you tried so far?
Customer: I PROGRAMMED NEW FOB BY IGNITION OFF AND ON 3 TIMES SHUTTING DOOR THREE TIMES , FOB UNLOCKS AND LOCKS DOORS ONLY NOW CAR WILL NOT START
JA: Is there anything else important you think the Mazda Mechanic should know about your Mazda?
Customer: ORIGINAL KEY FOB WONT WORK ANYMORE HAVE A NEW KEY CUT AND THE OLD FOB WITH NEW KEY BESIDE IT USED TO START CAR NOW NEITHER WILL OLD OR NEW
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully refundable deposit now. While you're filling out that form, I'll tell the Mazda Mechanic about your situation and connect you two.
Submitted: 1 year ago.
Category: Mazda
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

The immobilizer system uses a transponder in the key which is validated before the engine will start. A functional key fob would disarm the theft alarm but wouldn't affect the immobilizer.

What are the exact symptoms you are experiencing?