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Why would this light flash?

This is a discussion on Why would this light flash? within the Computer & Tuning forums, part of the LSx Technical Help Section category; After my cam swap into my 2000 Z28, my SES (service engine soon) light is flashing. It has always been ...

  1. #1
    USMC Y2K_CAMARO's Avatar
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    Why would this light flash?

    After my cam swap into my 2000 Z28, my SES (service engine soon) light is flashing. It has always been on because of my full exhaust with no cats. But now its flashing. Why is that?

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    Veteran Hi-Po's Avatar
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    Blinking is a misfire. Check to make sure your spark plugs boots are all double clicked on. Make sure all the injector wires are good.

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    +1 BLINKY is a missfire

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    Veteran Hi-Po's Avatar
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    Also, Get those codes read!!! That is your first step here.

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    USMC Y2K_CAMARO's Avatar
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    I found out what it is. Like yall said, the blink is for a misfire, but its because of the cam. So its not "really" misfiring, just from the cam. So, no worries for now. Thanks for you input guys

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    Veteran Hi-Po's Avatar
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    I would get that tuned ASAP. Its flashing, thats never a good thing. I went from a stock cam to a 230/236 and had zero misfiring. Did you read the codes yet? Im going to bet its more then your cam. It should not be misfiring.

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    USMC Y2K_CAMARO's Avatar
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    Quote Originally Posted by Hi-Po View Post
    I would get that tuned ASAP. Its flashing, thats never a good thing. I went from a stock cam to a 230/236 and had zero misfiring. Did you read the codes yet? Im going to bet its more then your cam. It should not be misfiring.
    I guess I'll read the codes when I get off of work today

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  9. #9
    USMC Y2K_CAMARO's Avatar
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    I am Frost, just need some money first

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    blinking (S.E.S) light is a catalyst damage indicator not a missfire light . a class 3 (sever)missfire will cause this because of unburned fuel going through the cat's. but other things can also cause this (defective ect sensor )

    sorry to jump in like this hope you find the problem
    If speed kill's do brakes give life ?

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    TunedbyFrost.com Tuner Frost's Avatar
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    Quote Originally Posted by canadaz71 View Post
    blinking (S.E.S) light is a catalyst damage indicator not a missfire light ......

    It may as well be; it's the only condition that causes that behavior.

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    USMC Y2K_CAMARO's Avatar
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    Problem fixed. Got a tune, no more blinky light. Nic D said that is was blinking because the cam was lobing so hard.

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    Member joedude02's Avatar
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    Quote Originally Posted by Y2K_CAMARO View Post
    Problem fixed. Got a tune, no more blinky light. Nic D said that is was blinking because the cam was lobing so hard.
    what cam do you have now?

  14. #14
    USMC Y2K_CAMARO's Avatar
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    Torquer V2 on a 112* LSA

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    Member joedude02's Avatar
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    Quote Originally Posted by Y2K_CAMARO View Post
    Torquer V2 on a 112* LSA
    you running a4 or m6? how is this cam compared to the stocker?

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    USMC Y2K_CAMARO's Avatar
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    M6. Its AWESOME compared to stock. 387hp/372tq to the wheels. Drives on the street great. makes great power across the board, sounds bad ass. Its no one of those cams that makes all of its power at like 6000 rpms and thats it. I'm glad I went with this cam


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