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Fuel efficiency improvements
K-series engine improvements to increase the fuel efficiency: hardware, software and driving strategy
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Latest Posts
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Hello I have a complete stock ep3 swap into a ek hatch. The car was running good then all the sudden it would hit limp mode at 4.5 rpm’s so I checked ecu it had no speed signal. So I changed the vss still in limp mode. I checked continuity to see if wiring is going where it’s supposed to and...9 replies 188 views
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I have a stock 2002 rsx type s, for bout half a year now my car struggles to accelerate, feels like it's got no torque on hills I have to downshift and ride like 4k rpms just to keep from bogging and slowing down. When it first started I had a too lean code I swapped the fuel pump and filter...104 replies 3K views
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Hey all, I am transferring this thread over from another forum. Hoping for some good conversation here! Little background here before i get into it, I have 4 track seasons of experience so far, with 2023 being season 5. I started with my mazdaspeed 3 which i built more as a street car then...1K replies 34K views
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As the title suggests P1259 and P0600. Recap a couple weeks back “before” installing the oem o2 sensor via ecu’s factory plug in method, I set the vtec rpm threshold and kpa thresholds to match the suggested values expressed in the help section of the vtec window and it ran better for a bit...86 replies 1K views
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Hello trying to figure out why my car won’t rev past 5000 at times but also when they started and give it little gas through the throttlebody, it surges up and down, and then eventually dies the more I open the throttle body. Anyone have any ideas on what might be going on? I replaced the...85 replies 838 views