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09-19-2012, 04:13 PM | #1 |
Scooby Newbie
Member#: 304812
Join Date: Dec 2011
Chapter/Region:
Tri-State
Location: tri county
Vehicle:2010 subie pearl white |
check engine p0017
hey guys i been having a really tough time with my08 sti fully built sleaved with 30r this is my dd i drive everyday for past 8 months with normal mantance.
evrything seemed to be fine untill extreemly hot day when sitting in traffic i got two p0017 bank 1 sensor b after talking with my tunner and having him check it out he told me to get a new sesor and replace it. so i did got a brand new one from suby put it in cleared the code and went on my way for 30 miles it comes back on sitting at red light so i decided im going to do my plugs change the oil and oil filter early and make a good check over the car cleared code drove down the street came back on sitting at a stop sigh with in five mins i was concired at this point where i didnt feel i wanted to ruin all my good hard work after building the car for three years. my next thing was a timming belt kit new water pump ect. thinking the belt may have overheated and streched or skiped a tooth after having take a look at the old belt looks perfect every thing lines up im still replacing it though had my tunner get the new timming belt kit on started car nothing changed same five ten mins code comes on at idle only now at this point were stumped because he already tryed adjusting it through the computer with nothing but idle serging caused code come on faster if it would die or get a load on it made sure wires are clear not pinched shorted ect rewraped them pulled ocv out cleaned them acvs screens where removed at build injectors were pulled tested compression test leak down all perfect im not sure whats left to try car runs good after having my tunner put it on the dyno and do some pulls make sure af and hp were near still makes 454whp/432wtq at 23 psi exectly what it made 8 months ago driveabilty is still same spool up just at idle if a load idle serges and throws p0017 but still reacts the same without any change i really would like to get any type of info on this. i been reading for two weeks and read the same three stoires without any answers all suby help is apprecated with good karma thanks guys
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09-19-2012, 04:57 PM | #2 |
Scooby Specialist
Member#: 118500
Join Date: Jun 2006
Chapter/Region:
MWSOC
Location: Michigan
Vehicle:02 Silver Wagon "Stage 2" |
The second O2 sensor is only for catalyst efficiency. It will not affect the way the car runs. If you have no cat, it should set off this code. There are a couple ways to prevent it. Some down pipes have an extended tube to slow down the reaction of the sensor, and others have used resistors in the sensor circuit.
Does your state do vehicle inspections? |
09-19-2012, 06:37 PM | #3 | |
Scooby Specialist
Member#: 17355
Join Date: Apr 2002
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Quote:
Here's what you're supposed to do: Perform the following procedures, and clean the oil routing. Replace the engine oil and idle the engine for 5 minutes, and then replace the oil filter and engine oil. If that doesn't cure the problem, then you need to check the following items and repair or replace if necessary. • Oil pipe (clog) • Oil flow control solenoid valve (clog or dirt of oil routing, setting of spring) • Exhaust camshaft (dirt, damage of camshaft) • Timing belt (matching of timing mark) |
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10-09-2012, 01:18 AM | #4 |
Scooby Newbie
Member#: 304812
Join Date: Dec 2011
Chapter/Region:
Tri-State
Location: tri county
Vehicle:2010 subie pearl white |
re
o2 sounds like it could be
i did a oil flush as well as cleaned both oil control vavles did a brand new timing belt with everything cam was look with scope at shop seems fine to them i have 3 inch strait off the turbo to invidi fart can strait eq lengh hedders twin scroll up pipe i did replace the cam shaft sensor (bank 1 sensor b ) as it was first thing then oil change flush then timming belt kit ocv cleaned my a/f gauge is reading perfect with slight hessation coming down to idle sounds rough but is cammed out i drive it daliy with no problems other then the dubble code (p0017 bank 1 sensor b) that will come on after coming to a stop to red light and sitting, idle will serge and throw code but still runs same as you said if the o2 isnt getting that reading after getting rosted by a 30r for 7000 miles feel free shed some more light i really apprecait your help thanks ps: oil pipe could be cloged where??? |
10-09-2012, 07:04 AM | #5 |
Scooby Newbie
Member#: 225515
Join Date: Oct 2009
Chapter/Region:
NESIC
Location: NB, Connecticut
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Have you checked the cam sensor and crank sensor?
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10-09-2012, 10:15 AM | #6 | |
*** Banned ***
Member#: 16200
Join Date: Mar 2002
Vehicle:OK buy Nates beans westcoastroasting.com |
Quote:
and you do NOT want to use any sort of spacer on any of these cars...the bugeye was the last car ya wanna use any spacers, really |
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10-09-2012, 10:18 AM | #7 |
*** Banned ***
Member#: 16200
Join Date: Mar 2002
Vehicle:OK buy Nates beans westcoastroasting.com |
that p0017 code in a subaru is usually very bad....like one of the engine death codes
usually from using the wrong oil and/or improper oci |
10-09-2012, 03:46 PM | #8 | |
Scooby Specialist
Member#: 118500
Join Date: Jun 2006
Chapter/Region:
MWSOC
Location: Michigan
Vehicle:02 Silver Wagon "Stage 2" |
Quote:
I suppose with enough modeling, the ECU can infer anything from the rear 02. But, what do I know? |
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10-09-2012, 11:08 PM | #9 | |
*** Banned ***
Member#: 16200
Join Date: Mar 2002
Vehicle:OK buy Nates beans westcoastroasting.com |
Quote:
and i HAVE seen d000000ds usin the rear o2 spacers who had bad fuel trim issues who took the spacers OUT and ceased having fuel trim issues thereafter.... but i dont know nuffin about it....really |
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10-10-2012, 06:03 PM | #10 |
Scooby Newbie
Member#: 304812
Join Date: Dec 2011
Chapter/Region:
Tri-State
Location: tri county
Vehicle:2010 subie pearl white |
cam sensor lock out. the cars idle will drop below 480 rpms coming to stop with additon to a load open exhust causing the sensor ( cam sensor on bank 1 sensor b ) in this case to go off. car is free and clear of knock, strong compression, good a/f, spark
we raised the idle help the lumpy cams inserted a slincer in to the invidi n1 exhust for daliy driving (big diffrence driveabilty smoother shifts better mpg without it on days have fun and be heard on on track days been two days car seems be diled in havent seen code went subie meet,cruse, and beer and food at victory brewary no idle serging , dieing, lummy sound 300miles and doing oil change if code comes back ill post thanks guys |
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