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Showing content with the highest reputation on 08/15/19 in all areas

  1. While I was back the girls complained about the Altezza using too much fuel. I took a pair of plugs out to check, and took a pair of the new iridiums out of the KE70. The Altezza plugs looked fine, the KE70 were black! On the next trip up I had the mixture display on the 4AGE and saw that it was rich all the time. I stopped a couple of times, took the cold start injector off in case it was jammed on, but no difference. Then I moved the throttle position sensor around a whisker, and it leaned out! Up at the workshop I took a pair of plugs out and they had cleaned up. Wayyy back I had modified the bracket that the last owner put on the TPS to use a FWD throttle on a RWD. I figure the sensor ring has turned on the shaft a little, and that was sending incorrect information to the ECU. I should look at it while I'm at home for a couple of weeks, but its running so well & has a more stable idle than ever before, I'm reluctant to disturb it! I figure it has been getting worse over the years, which is why the head was always full of carbon. I didn't put the cold start injector back on, and it made no great difference over a couple of weeks of hard frosts and a couple of days of snow.
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