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Can I put regular gas in a 2007 Mazda CX7, instead of premium?

Source: Yahoo! Answers
  • To dispel this myth I will comment here. You can run Regular gas in a turbocharged motor PROVIDED the motor is equipped with a Knock Sensor. The knock sensor will detect the early stages of pre-ignition/detonation and will retard the spark timing accordingly to try to protect the motor. You will lose a lot of power... Read More
  • If its a Turbocharged or Supercharged you MUST ALWAYS use premium fuel~ no ifs ands or buts. Using standard gas in a vehicle with forced induction will cause pinging and detonation~ which can do many horrible things to your engine. I've even seen holes blown straight through the tops of pistons due to detonation. If... Read More
  • You should always use what manufacturer recommends or better. The whole engine including electronics and computer are set up for the specific minimum octane number. Running on regular would certainly void warranty. Use regular only when in emergency. I have a Mazda3 with 1.6 engine designed for Euro 95 and I regularly... Read More
  • Unfortunately, the CX-7 needs at least 92 octane fuel to run efficiently. The computer that controls the emissions will put the car in "low octane mode" and the check engine light will come on if it detects too low of octane. This is done to keep cheap fuel from harming the emission equipment on the car. Reference:20... Read More
  • Lol....that last guy was mean. DON'T TRY IT OUT. A turbocharged car NEEDS premium due to the higher cylinder pressures. If you use a lower octane fuel than 91, the fuel will detonate before it is supposed to and damage your motor in a fairly short amount of time. AGAIN, I'll say it....USE PREMIUM unless you like... Read More
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