HFC engine light

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Nov 18, 2011 | 08:37 PM

bwanner

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From: ND

HFC engine light

does the ams, ur, cp-e high flow cats cause the engine lights to come on?

Nov 19, 2011 | 12:57 AM

dcpatters

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From: Irvine, CA

Most of them do. It's an easy fix if you have a tune or try one of the anti-fouler's.

Nov 22, 2011 | 11:48 AM

Bom's Evo

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From: Philly/Jersey

I have the AMS high flow one and it gave me a light. I added a Vibrant O2 Extender and use the smallest pill which stopped the SES light from coming on.

Nov 22, 2011 | 12:15 PM

Cesarn2928

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From: Miami, FL

I have UR High flow cat Ceramic.. light goes on!

simple tune would fix it tho

Nov 22, 2011 | 12:16 PM

sstevojr

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From: 805-Conejo Valley

Just turn off the rear o2 sensor

Nov 22, 2011 | 12:56 PM

NFSLancerRA

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From: Orlando

They sell HELP! extenders at Autozone for like $3.00.

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