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Forum: Problem Diagnosis   08-17-2012, 04:54 PM
Replies: 0
Views: 591
Posted By bigred419
Is my cat gutted?

I am wondering if my CAT is gutted from the previous owner, or if there might be other things going on.... I am running Cobb stage 1 on a "stock" wrx. The only things I know of that are not stock...
Forum: Tuning & Engine Management   03-10-2012, 09:01 PM
Replies: 7
Views: 2,890
Posted By bigred419
If the SPT isn't much different than stock why...

If the SPT isn't much different than stock why would it require a tune? I still think I might try to trade my SPT for a stock air box. Since my car is my daily driver with 113,xxx miles on it I...
Forum: Tuning & Engine Management   03-07-2012, 08:39 PM
Replies: 7
Views: 2,890
Posted By bigred419
I cleared my check engine light the other day and...

I cleared my check engine light the other day and my A/F learning has been in the low single digits now. I get CEL P0420 and will be getting a downpipe soon to lose my bad cat and go stage 2. The...
Forum: Tuning & Engine Management   03-03-2012, 11:34 AM
Replies: 7
Views: 2,890
Posted By bigred419
Stage 1 Data Log A/F Learning???

I am currently running stage 1 with an SPT intake. I am concerned with the A/F Learning.... Here is the datalog...
Forum: Bolt-on Tech (EJ255/EJ257 2.5L '04-07 STi and '06-07 WRX)   02-20-2012, 07:03 PM
Replies: 11
Views: 2,712
Posted By bigred419
So with a little use of that bar that says google...

So with a little use of that bar that says google on it, it looks like this is a normal idle value. I was just not expecting it to be that far negative or to be that far from what the AP says is its...
Forum: Bolt-on Tech (EJ255/EJ257 2.5L '04-07 STi and '06-07 WRX)   02-20-2012, 06:39 PM
Replies: 11
Views: 2,712
Posted By bigred419
Just loaded stage 1!! We will see what...

Just loaded stage 1!! We will see what happens.... Is there anywhere that I can find typical values for stage 1 for the AP monitors? I took a quick drive around the block and when looking at the...
Forum: Bolt-on Tech (EJ255/EJ257 2.5L '04-07 STi and '06-07 WRX)   02-20-2012, 01:05 PM
Replies: 11
Views: 2,712
Posted By bigred419
I will be loading stage 1 tonight and we will see...

I will be loading stage 1 tonight and we will see how she does. Thanks for the help to both of you. I will post my data logs after I break her in. Hopefully all looks good and I can worry about...
Forum: Bolt-on Tech (EJ255/EJ257 2.5L '04-07 STi and '06-07 WRX)   02-19-2012, 07:12 PM
Replies: 11
Views: 2,712
Posted By bigred419
When you switched to the 3.10 map did you go with...

When you switched to the 3.10 map did you go with the stock intake map or the Cobb SF intake?
Forum: Bolt-on Tech (EJ255/EJ257 2.5L '04-07 STi and '06-07 WRX)   02-19-2012, 04:01 PM
Replies: 11
Views: 2,712
Posted By bigred419
NEWB Question SPT intake and AP

So I am sure this has been beaten to death and I appologize for opening another thread with a similar question that has been asked many times.... However, after a fair amount of research I am left...
Forum: Problem Diagnosis   01-15-2012, 11:18 AM
Replies: 7
Views: 5,010
Posted By bigred419
I don't think that there is a replaceable fuel...

I don't think that there is a replaceable fuel filter on the '07s I think it is essentially a screen at the pump.... I will be buying an AP and downpipe as soon as possible (probably won't be till I...
Forum: Problem Diagnosis   01-13-2012, 04:05 PM
Replies: 7
Views: 5,010
Posted By bigred419
It has never actually thrown a misfire code that...

It has never actually thrown a misfire code that is just what it feels like. I replaced the front o2 sensor and I have cleaned my MAF. I could understand how my cat would make it feel like it was...
Forum: Problem Diagnosis   01-11-2012, 05:21 PM
Replies: 7
Views: 5,010
Posted By bigred419
Misfire/Jerky Acceleration

I purchased my 2007 WRX wagon a year ago and I have had a recurring issue with misfires or jerky acceleration. All that I have have not stock as of now is a spt intake and a muffler. Originally I...
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