2005 Subaru Impreza
Key Replacement - Save vs Dealer in San Diego

2005 Subaru Impreza Transponder Key Replacement - Fast, Affordable & Professional

I got a call from a guy over in the Sweetwater area of National City. He runs dogs to a boarding facility nearby, early mornings, every day. His 2005 Impreza was his workhorse and the key had started giving him grief: intermittent no-starts where the engine would catch and immediately cut out. He figured it was a fuel issue at first. Took it to a shop. They found nothing wrong with fuel delivery.

That stall pattern is something I recognize without thinking. The engine catching and dying within a second or two almost always means the immobilizer read the key, decided it didn't like what it saw, and shut things down. Worn transponder chip, cloned key that drifted, or a key that was never properly registered. On a car this age, it usually comes down to one of those three.

I pulled up to the boarding facility in the morning before his first drop-off. He had two keys. One worked clean, one was the problem key. I confirmed the good one started the car without the stall, then verified the bad one reproduced it every time. Decoded and cut a new key blade to the vehicle, registered the transponder to the immobilizer on site. Tested it cold, tested it again after the engine warmed up.

He asked me what the dealer would have charged. I told him to call and find out for himself, but I was already done.

My YouTube channel has over 113,000 subscribers watching real jobs on real cars. No animations, no stock footage. Actual replacements filmed at the vehicle. He said he'd seen one of the videos before he even needed me. That part never gets old.

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