If the immobilizer light is coming on and the engine is cranking but not starting, it's likely that the immobilizer system is not recognizing the key and is preventing the engine from starting. Here are a few things you can try:
- Check the battery in the key fob: Make sure the battery in the key fob is not dead. A low battery can cause the immobilizer system to not recognize the key.
- Try a different key: If all three keys are not working, it's possible that the immobilizer system itself is faulty. Try a different key to see if the problem persists.
- Check the immobilizer system: If the problem persists with all keys, it's possible that there is a problem with the immobilizer system itself. This could be a faulty immobilizer module, antenna coil, or wiring. You may need to have the system diagnosed and repaired by a professional mechanic.
- Check the fuel system: If the immobilizer system is not recognizing the key, the fuel system may not be primed correctly. Check the fuel pressure and ensure that the fuel pump is working properly.
It's important to have this issue diagnosed and repaired as soon as possible to avoid further damage to the engine or electrical system. If you're unsure about driving the vehicle, have it towed to a repair shop.
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