RE: 01 RS check engine on after upgrades

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RE: 01 RS check engine on after upgrades

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Mitsubishi Forums >> Mitsubishi Models >> Mitsubishi Eclipse & Eclipse Spyder >> 3rd Generation >> RE: 01 RS check engine on after upgrades

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RE: 01 RS check engine on after upgrades - 10/14/2005 7:47:01 PM

EMonz57

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The SES light is on because it is running no CAT I bet. Its not that there are no 02s in. they need to be there as already stated but without a CAT the 2nd o2 will read differently and more than likey trigger the SES light to come on.

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RE: 01 RS check engine on after upgrades - 10/14/2005 7:47:29 PM

EMonz57

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EDIT** I dont know why that double posted

< Message edited by EMonz57 -- 10/14/2005 7:48:36 PM >

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RE: 01 RS check engine on after upgrades - 10/14/2005 9:54:03 PM

Sanguinius

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Oops my bad I was crack and windshield my brain is a little to quick to try to help sometimes LOL. But it's good info for all you out there that have cracked windshields LOL.

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Post #: 13

RE: 01 RS check engine on after upgrades - 10/15/2005 11:22:40 AM

eclipsed4u

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quote:

ORIGINAL: slow420a

quote:

ORIGINAL: eclipsed4u

most likely, the original owner didn't extend the o2 sensor when he installed the header and probably took it completely out. you could get the code scanned at a local autozone just to make sure.

I can promess you that the car wouldent even run if the o2 sensor was missing. The o2 sensor reads the amount of o2 in the exaust and adjusts the a/f ratio acording to that reading. With out the reading the car dosent know WTF to do so it will have a really ****ty idal and run really ****ty. Btw obx isant the best company out there but their smart enough to put a o2 bung in a down pipe.

For the dash thats cracked and the brake light, I bet my car that its because of a low brake fluid leve. Rember the dash cracked because something was able to apply enough force to break it. Something isant right if its a pice all the way up under the windsheild.

he can run without the o2 sensor that is after the cat...he will just have the SES light on.

the reason that most of the dashes in the 3G crack is b/c of wheel hop.

< Message edited by eclipsed4u -- 10/15/2005 11:23:17 AM >

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RE: 01 RS check engine on after upgrades - 10/15/2005 1:18:56 PM

Sanguinius

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Gotta LOVE the wheel hop LOL causing damage all the way INSIDE the car...

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RE: 01 RS check engine on after upgrades - 10/15/2005 5:57:34 PM

EMonz57

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Wheel hop plus anyone who has owned a 3G might have noticed how bad the motor mounts are. after about 35K they are so bad that 1st gear always feels like wheel hop even if you just taking off at normal speeds and no tires are spinning nor is there the power being applied to spin. MM in the 3Gs are the worst I have delt with in a "sports" car

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RE: 01 RS check engine on after upgrades - 10/16/2005 1:48:49 AM

eclipsed4u

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quote:

ORIGINAL: EMonz57

Wheel hop plus anyone who has owned a 3G might have noticed how bad the motor mounts are. after about 35K they are so bad that 1st gear always feels like wheel hop even if you just taking off at normal speeds and no tires are spinning nor is there the power being applied to spin. MM in the 3Gs are the worst I have delt with in a "sports" car

i totally agree. im sure when i replace mine soon, they will fall apart when i take them out.

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RE: 01 RS check engine on after upgrades - 10/16/2005 1:52:35 AM

Sanguinius

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Yeah I've seen some BAD motor mounts on those 3Gs come in at the shop I worked at.

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Post #: 18

RE: 01 RS check engine on after upgrades - 10/16/2005 7:23:45 AM

wicked_outlander

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quote:

ORIGINAL: 99clipsgst

My girlfriend was looking at a 2001 eclipse RS with 40K miles. The only problem is that the owner said after they put on a Tsudo cat back, OBX headers and a K&n intake the check engine light has been on. The owner says its normal for cars to do that when you upgrade the intake and exhaust. Are they telling the truth and what could be the possable problem and is it serious. I think it could be an O2 sensor but if it could be worse I dont want to waste my time driving out to see it.

check the cat system for O2 sensor, then check header for sensor....also check air intake tubes fittings, and airflow meter system for loose connection. after pmcs, re-set computer to re-register.

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Post #: 19