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lean afr once engine is warm

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Old Oct 30, 2012 | 06:50 PM
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jamesahokas's Avatar
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Joined: Apr 2012
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From: ottawa
lean afr once engine is warm

setup:88 turbo 2
rtek 2.1 ecu
750cc injectors with resistors wired in
aftermarket intake
emissions delete
running premix only 100:1


just started my car for the third time ever tonight and found that it has a rough choppy idle when i first start it up afrs are around 13 once the engine warms up the afr climbs and dances between 14-16. i also noticed that once i take my foot off the clutch my idle climbs almost 700 rpm. i will try to upload a video so you can see what im talking about. i thought i might have fixed this issue when i found that the lower injector grommets were no good but after replacing them it does the same thing. also want to add that my cars dash heat gauge reading is maxed out as soon as i key on. pretty sure wiring is the issue however i dont think the ecu reads of the same wire.

in the video that i will be uploading shortly i only let it run for a short while as my afr was leaned right out and i wasnt getting a reading. engine was already hot at that point.

any help would be great this car is starting to become a headache.
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