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-   Phoenix Switch-On-The-Fly Chip (DISCOUNTINUED) (Disabled) (http://forum.gopowerhungry.com/forumdisplay.php?f=32)
-   -   check engine light (http://forum.gopowerhungry.com/showthread.php?t=4829)

sgg Thu, July 1st, 2010 09:43 PM

check engine light
 
Still love my tunes! But I'm curious about one thing... If I really romp on it in 80 DD or 100 Performance, the check engine light comes on. After I shut it off and restart it, the light is gone. I've only done this about 5 times since I installed the chip, but when it happened today, the truck also idled rough. Almost like it was skipping. I shut it off and restarted and everything was back to normal. I don't have access to a code reader. Just wondered if this has happened before with anyone, and if it may be serious.

cj45lc Fri, July 2nd, 2010 07:43 AM

Mine does that also & Cody told me it's the HPOP not keeping up with the oil to the injectors. Was told it was not to worry about & my SES goes out a couple miles down the road.

cleatus12r Fri, July 2nd, 2010 09:37 AM

Nothing serious. As CJ pointed out, it's simply due to the HPOP not being able to keep up with demand. The rough idle afterward is usually due to a slow-responding injection pressure regulator (IPR) valve.

sgg Sat, July 3rd, 2010 12:01 AM

Thanks, guys. I kinda thought it was something like that. Just wanted to be sure. It's really amazing how quick 4 tons of steel can be!:D Hope to get it on the dragstrip one day, and on the dyno to see some real numbers!


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