Tampering with emissions control devices can cause:
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More vehicle efficiency.
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Increased air pollution.
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Less maintenance costs.
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Higher gas mileage.
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Explanation
Tampering with emissions control devices is illegal and can seriously damage your vehicle. It can lead to:
- Increased air pollution
- Higher maintenance costs
- Reduced fuel efficiency
- Lower overall vehicle performance
Always keep your emissions system in proper working condition to protect your vehicle, the environment, and your wallet.
Answer Statistics
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This question appears in the following DMV practice tests: