Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

Does CEL come on when "silencer" removed?

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Old Feb 12, 2004 | 02:01 PM
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Does CEL come on when "silencer" removed?

CEL come on when "silencer" removed?

Thanks
Old Feb 12, 2004 | 02:06 PM
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nope
Old Feb 12, 2004 | 02:07 PM
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no

get the code pulled, i think autozone does it for free, or find a buddy with a obdii scanner
i have one, but you aren't that close :P
Old Feb 12, 2004 | 03:48 PM
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Daredevil

I am sorry i am not sure what you mean by "getting the code pulled"?
Old Feb 12, 2004 | 04:42 PM
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he means if you have a cel on now, go to autozone, and have them find out what it is, and remove it.
Old Feb 12, 2004 | 04:53 PM
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oh ok, no i dont have it now, i am going to take the silencer out this weekend
Old Feb 12, 2004 | 04:58 PM
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have fun with it, its a good free mod.
Old Feb 12, 2004 | 05:01 PM
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thank you cant wait, been planing to get it done for a while, school takes away too much time
Old Feb 13, 2004 | 05:54 PM
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i had that problem, but once you drive it for a while it should turn off by itself. have fun.
Old Feb 14, 2004 | 03:57 PM
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Reason CEL comes on after removing silencer

When I removed the silencer I removed the airbox, and the Mass air flow sensor I unpluged and turned on the car without pluging it back in *shame on me* so the ECU thought there was no MAF sensor and freaked out. I imediatly turned off the car when I saw it come on :P if you get a CEL light just check the plug and get it reset
Old Feb 14, 2004 | 08:41 PM
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Originally posted by aloose
When I removed the silencer I removed the airbox, and the Mass air flow sensor I unpluged and turned on the car without pluging it back in *shame on me* so the ECU thought there was no MAF sensor and freaked out. I imediatly turned off the car when I saw it come on :P if you get a CEL light just check the plug and get it reset
Same thing kinda happend to me when I was installing a CAI (I took off the CAI so don't worry I'm back to stock box). I had the MAF unplugged and I turned on the electrical system so I could turn the wheel, and when I went to start the car the CEL came on. Freaked me out, but then I remembered that I had turned the car on with the MAF unplugged. Reset the ecu and have been fine ever since, well ever since I got rid of the CAI and just did the silencer mod.

Jason
Old Feb 18, 2004 | 07:42 AM
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This mod is so fun

You will definitely be driving around with the radio off now. You will hear the turbo spool and the woosh from the blow-off under moderate throttle but not WOT.
Old Feb 26, 2004 | 06:18 PM
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my car did
Old Feb 28, 2004 | 07:53 AM
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i took it out last weekend, no CEL so thats great.
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