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Old 02-12-2009, 12:04 AM   #1
bnr34rb26dett
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Unhappy CEL with cruise control lights goign on and off

i went catless, installed MIL eliminator, and did 05 rs engine swap with a motor that has 22k miles on it.
now the CEL light is going off with cruise control light going on and off. it is consistent so far.
im going to get it diagnosed tomorrow but does anybody have any idea whats going off? p0420 hopefully.
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Old 02-12-2009, 12:08 AM   #2
T Wrex--OH
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It either is the rear oxygen voltage high/low, or catalytic converter efficiency below threshold.
The car knows your cat isn't doing it's job (in this case the non-existent ones) and has disabled your cruise control.
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Old 02-12-2009, 12:10 AM   #3
T Wrex--OH
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oops, or your test mode connectors could be connected, they shouldn't be...
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Old 02-12-2009, 06:42 AM   #4
bnr34rb26dett
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Quote:
Originally Posted by T Wrex--OH View Post
It either is the rear oxygen voltage high/low, or catalytic converter efficiency below threshold.
The car knows your cat isn't doing it's job (in this case the non-existent ones) and has disabled your cruise control.
+1
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Originally Posted by T Wrex--OH View Post
oops, or your test mode connectors could be connected, they shouldn't be...
you mean from like tuning? i have never tuned my car...yet.
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Old 02-12-2009, 01:06 PM   #5
elevenpoint7five
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you need to have the codes read before anyone can help you. head to your local autozone, they will read it for free.
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Old 02-12-2009, 01:09 PM   #6
Mavrik
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Getting tuned should eliminate the codes if they are being set because of whats on the car. the cruise system disables when ever the cel is on. Since your untuned and catless, I'm going to guess your setting a p0420 code for cat efficiency below threshold.

GO GET TUNED!
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Old 02-12-2009, 01:20 PM   #7
anickode
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Quote:
Originally Posted by Mavrik View Post
Getting tuned should eliminate the codes if they are being set because of whats on the car. the cruise system disables when ever the cel is on. Since your untuned and catless, I'm going to guess your setting a p0420 code for cat efficiency below threshold.

GO GET TUNED!
I think someone discovered that installing an 18mm spark plug spacer on your 02 sensor to pull it out of the exhaust flow will fix this too. Either way, get a tune. You spent money on an exhaust that you're not getting any power from yet.
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Old 02-12-2009, 03:35 PM   #8
CynicX
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You guys noticed its a 2.5 RS right?
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Old 02-12-2009, 03:46 PM   #9
thejordan
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^ doesn't mean it can't be tuned.

he can do the resistor mod too.
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Old 02-12-2009, 06:55 PM   #10
bnr34rb26dett
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Originally Posted by thejordan View Post
^ doesn't mean it can't be tuned.

he can do the resistor mod too.
if you mean MIL eliminator, i actually already have that installed. it worked for a little bit and then CEL!
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Old 02-12-2009, 07:58 PM   #11
k04sti
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So, instead of being on here, go to autozone and get it read already. It takes like 5 seconds.
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