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Is it a boom? If so, then the car is getting too much gas when you start it. Check the fuel injector(s) and the carburator.

If this noise is like a loud ticking at a fast pace, it would be your starter going bad. If the noise is a loud boom/pop sound from the rear of the car, it would possibly be that the exhaust is backfiring..... not sure how to fix that aspect to fix the issue.

experts said to much gas at starting...they all were had a old battery..put in a new one and problem fixed

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โˆ™ 2015-07-17 17:31:21
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Q: What would cause a loud popping noise just before the car starts?
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