ratio

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    cold idle lasts for a long time, currently has DTC P2178 (too rich off idle)

    Hello, My 2010 Mazda 5 Sport has the following symptoms in a northeast of the US area where the temperature right now is about 0-30F. The P2178 (too rich off idle) code showed up two weeks ago. The oxygen sensor has been replaced with the Mazda stock part by the garage. They could not find the...
  2. I

    NA engine compression

    Simple question really. Should an NA engine be high or low compression? I know everything needs to be lightweight, along with intake and exhaust upgrades. I just need to know about compression. Thanks for the help guys.
    • irishkev90
    • Thread
    • compression n/a ratio
    • Replies: 25
    • Forum: Lounge
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