Topic: Intermittent starting issue resolved - The Immobilizer Antenna
I wanted to share a solution to a frustrating intermittent starting problem I’ve been dealing with. Many suggested the usual suspects: a dying battery, a faulty alternator, or various sensor issues. After testing those, the car would still fail to start randomly. The root cause turned out to be the immobilizer antenna coil (the transponder pickup coil) located around the ignition lock cylinder. The context:
Looking back, the issue likely started in winter. I accidentally used my car key to scrape ice out of the door lock…
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