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Old 03-09-2006, 04:37 AM   #1
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Default Testpipe | Non Fouler poll


those running gutted cats or testpipes with non foulers. what setup are you exactly running?

Since there are different kinds of non foulers:

Short 18mm ones and Long 18mm ones. The short ones wont even accept the 02 sensor unless those are drilled out. The long foulers will accept the 02 sensor to a certain extend but wont thread all the way into the fouler.

Question now is: how are your foulers stacked?

SN = short fouler non drilled
SD = short fouler drilled
LN = long fouler non drilled
LD = long fouler drilled
02 = 02 sensor
TP = testpipe
code = errors saved
cel = Check engine light illuminated

also state your year and engine code

02 | LD | SN | testpipe | 00 atw = CEL
02 | LD | 00 atw = CEL
02 | LN | 00 atw = CEL
this would be my response as of today
02 | TP | 00 atw = CEL

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Old 03-09-2006, 05:07 AM   #2
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Default 02 | LN | LN | Testpipe '00 ATW code... I plan on drilling it, soon (edited)

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Old 03-09-2006, 05:24 AM   #3
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Default they didn't work for me, back to a CAT ATW

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Old 03-09-2006, 05:31 AM   #4
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Default O2 - SD - SN - TP..... 1997 AEB....No codes ever, its been 8 months.

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Old 03-09-2006, 05:45 AM   #5
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Default 02 | SN | SN | testpipe | 00 atw = code

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Old 03-09-2006, 05:49 AM   #6
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Default O2 | SD | SD | testpipe | AEB = no code ever

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Old 03-09-2006, 06:02 AM   #7
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Default I was just going to say, if you have probs then TP w/ NF might not work on ATW's or newer

We need another way to trick the ecu.
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Old 03-09-2006, 06:10 AM   #8
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Default 02 | LN | LD | Testpipe 00 ATW code=CEL every 200-300 miles

The CEL is sporadic and will go away after 50 or so miles of driving with it on. However my friend who also has a DBW car-but a 2001 does not get a CEL and has the exact same setup.
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Old 03-09-2006, 06:46 AM   #9
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Default O2 l SD l SN l gutted cat l '98.5 AEB l no code

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Old 03-09-2006, 06:48 AM   #10
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Default may be its an ATW problem then. I still haven't seen an ATW clear in the archives

unless I didn't check well enough.
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Old 03-09-2006, 06:48 AM
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