Variable Cylinder Management ( VCM) is Honda 's term for its variable displacement technology, which saves fuel by using the i-VTEC system to disable one bank of cylinders during specific driving conditions—for example, highway driving. The second version of VCM (VCM-2) took this a step further, allowing the engine to go from 6 cylinders
Symptoms are power loss, weird engine noises like ticking or slapping, misfires, and a check engine light. The timing belt on a Honda V6 engine is an inexpensive part to repair. TuningPro estimates it’ll cost around $125 to $250 to do it yourself and $150 to $300 at a repair shop. 3. Carbon build-up.
VTEC engages at 3,500rpms on your J30A1 engine, but there are a few determining factors as to whether or not it will engage such as; car speed, throttle position, atmospheric pressure, engine oil temperature. Just don't be surprised if you never feel it "kick-in." You are in an accord, not a Prelude or RSX(i-Vtec).
969 posts · Joined 2020. #2 · Apr 12, 2021. The JDM engine is used in the Honda Accord Hybrid and Honda Inspire, and has VCM rather than VTEC. Since your ECU is programmed for VTEC rather than VCM, it will attempt to activate VTEC at 5000 RPM, and shut down the rear cylinder bank instead. The engine will still work, but you will be unable to The 2003 and 2004 Accord have the most reported problems, and failing transmissions in the V6 Accord have been mentioned by many sources. 2003 Honda Accord. As of June 2021, there are 918 complaints for the 2003 Accord and only 111 complaints for the 2005 Accord under the 'Powertrain' section at the NHTSA website . 513 posts · Joined 2021. #8 · Jan 26, 2023 (Edited) Honda can do all they want to try to minimize the effects of VCM, whether it's only run deactivated cylinders for a certain amount of time, tune it to activate less, whatever. Key word is all they've been doing is making it run less, indicating that it running is a problem. AVQ4N.
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    • does honda accord have vtec