Emission Test Failed - HC high at Idle

Mr. Mercado · 03-24-2008, 10:32 AM

Hey all,

I have a Stg 2 setup on my 2003 WRX with Ecutek and 1 cat. All test passed accept the HC test at idle. (Reading 175, limit 150).

Any ideas what I should do to pass?

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North Ursalia · 03-24-2008, 07:06 PM

A) drive it at high revs for awhile on the highway to help burn off the carbon
B) put another cat back in

wrxtool · 03-24-2008, 07:20 PM

let the car warm up or take it in after some spirited driving.

03-24-2008, 10:32 AM	#1
Mr. Mercado Scooby Newbie Member#: 36559 Join Date: May 2003 Location: Toronto, Ontario (T.O.) Vehicle: 2003 Impreza WRX WRB	Emission Test Failed - HC high at Idle Hey all, I have a Stg 2 setup on my 2003 WRX with Ecutek and 1 cat. All test passed accept the HC test at idle. (Reading 175, limit 150). Any ideas what I should do to pass? * Registered users of the site do not see these ads.

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03-24-2008, 07:06 PM	#2
North Ursalia Miss You Mom Oct 1940 - Feb 2008 Super Moderator Member#: 809 Join Date: Jan 2000 Chapter/Region: NESIC Location: NH, Land Of Many Trees Vehicle: 2000 2.5 RS, '14 For 92 5MT SVX	A) drive it at high revs for awhile on the highway to help burn off the carbon B) put another cat back in

03-24-2008, 07:20 PM	#3
wrxtool Scooby Specialist Member#: 75589 Join Date: Nov 2004 Chapter/Region: SCIC Location: Yorba Linda Vehicle: 2004 04FXT Blouch20G JBP	let the car warm up or take it in after some spirited driving.