install downpipe check engine light on

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10-16-2004, 02:09 PM

1stcrew

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install downpipe check engine light on

I installed an invidia downpipe and an exhaust on an 04STI, check engine light is on and cruise control stays on anyone have this problem and how did you fix it any knowledgeable advice would help thanks

10-16-2004, 02:31 PM

Speed Element

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Join Date: Nov 2002

Location: San Jose

Posts: 6,453

Car Info: Evo X, 04 STI, 335i, Fit

1stcrew - You need a CEL fix for your car. Perrin has an o2 simulator available. I'm not 100% sure if the Helix CEL fix will work on your car.

-Soren

10-17-2004, 04:31 AM

Juggalo-racing

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down pipe check engine light

i got the PEP Exhaust Check engine light eliminator for 2004 WRX and STi. works great have no problems heres where you can get it these people are awsome very friendly and helpful. http://home.att.net/~teaguesauto/exh...%20Accessories