The strangest thing happened. I have an Elite 1500 and an IQ3 street dash. Everything was working fine, until I decided to install the idle air kit.
After installing and some playing around with the settings, I got her to idle at 850-900 rpm. AFR's looked OK, and she seemed to run smoothly.
I drove her around a little bit, and afterwards I couldn't keep idle. When I opened the throttle a little she would "idle" very rough, and very lean. These are few things I noticed:
With key on, engine off, the fuel pump keeps running. Normally the pump will stop after 3 seconds of priming. So, she has seen higher fuel pressure than she's tuned for(hooked up an external gauge).
Strange thing is, when I disable Idle Control in the ESP software, the fuel pump goes back to normal operation and stops priming after 3 seconds, and the FPR appears to hold the nominal pressure quite well.
(Another thing is, after installing I noticed my speedometer wasn't getting any signal. Not sure if this is related or not, still looking into it.)
Any suggestions would be really appreciated!
Questions about the Elite Series ECU's? Ask here.
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