I had a Zex kit in my Si running it with a 75 shot. a couple days after install, it tripped my CEL and made my car run at about 2000+rpm at idle. This happened a few days after only using four times on install day. I scanned the code and it said it was the MAP sensor which I replaced and it did not change it. I took the whole kit out and the idle went back down to normal. I sold the kit to someone with a caveleir and it tripped his CEL immediately so i gave him his money back. Does anyone know what might be causing this? Also, suppose I do decide to put the kit back in, is it safe to run it on the motor with a 75 shot, using it conservatively (only a couple times on weekends)?
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