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It is general question concerning DENSO SPARK PLUG that is often.
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I have Rover Mini AT ('90). Since changing to Iridium Power, the idling rotation in neutral went up 400rpm from the previous plugs (1000rpm before the change, 1400rpm since). Before the change , going from neutral to drive was 550rpm, but now it goes below 550rpm and stalls. The revolutions increase smoothly and acceleration is good during driving. Why is this? |
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| Frequently for older vehicles, the ignition system has degraded, and it is sometimes not possible to see the full effect of Iridium Power. In this case, the spark gap should be adjusted from 1.1mm to 0.8mm. Also, in the VK series, there is the VK20Y plug where the gap has been preset to 0.8mm. |
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