Step 2 – Dirty throttle body. The throttle body itself might be dirty or damaged if the idle is higher than it should be. Typically, a dirty throttle body can cause a rough idle condition as the throttle plate cannot close properly. To fix this, first remove the air intake hose. It attaches directly to the throttle body.
And later in the 1993 Honda Prelude VTEC (H22 2.2 liter engine) and Honda Del Sol VTEC (B16 1.6 liter engine). Honda has also continued to develop other varieties and today offers several varieties of VTEC: iVTEC, iVTEC Hybrid and VTEC in the NSX and some Japanese domestic market cars. SOHC VTEC
Honda Civic Type R B16B engine tuning. The EK9’s 1.6-litre VTEC engine is an evolution of the firm’s B16A engine, but with heavy doses of tuning. Thus included hand-porting, a higher 10.8:1 compression ratio, aggressive valve timing, lightweight conrods, platinum spark plugs and a larger exhaust. The resulting B16B boasted one of the
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honda civic 1.4 i vtec engine