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Old 08-26-2012, 05:40 PM   #1
DabiDa
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Join Date: Jan 2012
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Location: Nor*Cal
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2002 impreza wrx
psm

Default 02 Stage 2 data log please review let me know if my car is ok.

I purchased my 02 Wrx about 5-6 months ago and at wot it puttered in 2-3 gear so i purchased new plugs,sold me the wrong ones got the non turbo model plugs will swap to the right ones when i get some funds anyways i recently went stage 2 and wanted someone to take a look and see if it looks ok,Cobb says boost should be 16 +/- 1 is what i have ok? not sure how to post the pic as this is my first time using google docs.here are the specs

2002 Wrx
160k miles
Cobb Sf intake, jdm Sti V7(cat less UP) HKS 3 inch (cat less DP) Stock exhaust (I do have a 3 inch srs but was to loud can put back on if need)
Cobb AP Stage 2 OTS ACN map
I run chevron 91
this is a 3rd gear pull from what cobb says to do thank you.

https://docs.google.com/spreadsheet/...jEtaC1hY2N6VWc
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Old 08-26-2012, 06:10 PM   #2
paul_p1
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2005 Spec C
WR Blue

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You need to try and get your IAM(DAM) up to 16.
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Old 08-27-2012, 10:17 AM   #3
Cobb Tuning
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Originally Posted by DabiDa View Post
I purchased my 02 Wrx about 5-6 months ago and at wot it puttered in 2-3 gear so i purchased new plugs,sold me the wrong ones got the non turbo model plugs will swap to the right ones when i get some funds anyways i recently went stage 2 and wanted someone to take a look and see if it looks ok,Cobb says boost should be 16 +/- 1 is what i have ok? not sure how to post the pic as this is my first time using google docs.here are the specs

2002 Wrx
160k miles
Cobb Sf intake, jdm Sti V7(cat less UP) HKS 3 inch (cat less DP) Stock exhaust (I do have a 3 inch srs but was to loud can put back on if need)
Cobb AP Stage 2 OTS ACN map
I run chevron 91
this is a 3rd gear pull from what cobb says to do thank you.

https://docs.google.com/spreadsheet/...jEtaC1hY2N6VWc
Your dynamic advance multiplier has dropped due to perceived knock events. This map (v310) will start at 16 after a reflash, so a value of 15 means it has dropped. Further, in this log the DAM drops to 8 due to additional perceived knock events.

Likely you have a mechanical issue with the car. First thing to do would be to put the correct plugs in the car and make sure they are gapped correctly. Then reflash our most conservative map (91 ACN) - make sure to reflash the map (connect green test mode connectors and init connector and select refash). Drive around on about a tank of gas without reflashing any more maps or resetting the ECU. Then check your A/F Learning 1 A, B, C, D. These should generally be within +/- 5%. Well outside that for any one of them indicates a potential fueling issue.

Other possibilities include something rattling in the engine bay (say a loose heatshield) that the knock sensor is picking up and reacting to.

Bill
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Old 08-27-2012, 12:30 PM   #4
DabiDa
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2002 impreza wrx
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Im running the Stage 2 v3.10 map,what is the map you want me to flash? I will also get the right plugs and take a look around my car for anything loose Thankyou very much for all the help
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Old 08-28-2012, 08:23 AM   #5
Cobb Tuning
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Originally Posted by DabiDa View Post
Im running the Stage 2 v3.10 map,what is the map you want me to flash? I will also get the right plugs and take a look around my car for anything loose Thankyou very much for all the help
Yes, the v310 map is what you want to run. I was suggesting the 91ACN octane map as opposed to the regular 91 octane map. The 91ACN is a more conservative map which will be good for you to use until you figure out what the issue is.

Bill
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Old 08-28-2012, 03:02 PM   #6
DabiDa
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psm

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Im pretty sure i have the ACN map but will double check to be safe.The car pulls great and feels great aswell i did get a misfire cel though today i let the car warm up and drove just down the street and the cel stayed on solid then drove to school later in the day took spirited drive and the cel flashed then solid so put my obd reader Not the AP and it was a misfire.When i purchase the car it was getting misfire codes i cleared them and would rarely come up then did stage 2 car seemed to run better and got the misfire cel at about 200 miles on stage 2.I do notice if i do not warm up my car and cruise at lower rpm i get a misfire code or if i do really spirited driving i get a cel but if i keep the AP on i do not get any codes.Im debating on what to do as i plan to get a Sti after i graduate in 1 year.Thankyou for all the help
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Old 08-29-2012, 08:04 AM   #7
Cobb Tuning
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Originally Posted by DabiDa View Post
Im pretty sure i have the ACN map but will double check to be safe.The car pulls great and feels great aswell i did get a misfire cel though today i let the car warm up and drove just down the street and the cel stayed on solid then drove to school later in the day took spirited drive and the cel flashed then solid so put my obd reader Not the AP and it was a misfire.When i purchase the car it was getting misfire codes i cleared them and would rarely come up then did stage 2 car seemed to run better and got the misfire cel at about 200 miles on stage 2.I do notice if i do not warm up my car and cruise at lower rpm i get a misfire code or if i do really spirited driving i get a cel but if i keep the AP on i do not get any codes.Im debating on what to do as i plan to get a Sti after i graduate in 1 year.Thankyou for all the help
Misfires are not good and can potentially indicate a major mechanical issue. Certainly using the correct spark plugs is crucial here - I would get that sorted ASAP. If it happened before the plug install, then it may be something else. There are numerous potential causes for misfires. Common issues are spark plug related, and issues with ignition coil or injectors. Additionally, some mods, such as lightweight crankshaft pulley or aftermarket flywheels can cause false misfire.

Bill
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Old 08-29-2012, 04:54 PM   #8
DabiDa
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Join Date: Jan 2012
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Location: Nor*Cal
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2002 impreza wrx
psm

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Quote:
Originally Posted by Cobb Tuning View Post
Misfires are not good and can potentially indicate a major mechanical issue. Certainly using the correct spark plugs is crucial here - I would get that sorted ASAP. If it happened before the plug install, then it may be something else. There are numerous potential causes for misfires. Common issues are spark plug related, and issues with ignition coil or injectors. Additionally, some mods, such as lightweight crankshaft pulley or aftermarket flywheels can cause false misfire.

Bill
Thanks for all the help,right now i have no funds so just driving my car from school and home 5 min drives till i can get some funds for new plugs then do the next step,i appreciate the all the support and help bill.
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Old 08-30-2012, 07:26 AM   #9
climbhigh09
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Errr... plugs are way cheaper than engine damage. Sell a tennis shoe and slap the right ones on there asap.
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Old 08-30-2012, 02:44 PM   #10
DabiDa
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2002 impreza wrx
psm

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Originally Posted by climbhigh09 View Post
Errr... plugs are way cheaper than engine damage. Sell a tennis shoe and slap the right ones on there asap.
Yeah,Im very broke family helps me out with gas to school I had purchased all these parts when i was working .checked the car and the spark plugs are for the non turbo model impreza and can not find any loose parts,i will have my buddy stop by aswell and rev the car a bit see if i can hear or spot anything move will also do a compression test see what it is at.The car pulls really nice and idle is nice so im just going to do each step as stated
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Old 08-31-2012, 03:17 PM   #11
bacalhau16
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I think you're missing the point here. Stop beating on your car with the wrong plugs. Doesn't matter that you think it pulls nice. You clearly saw detonation, which is really bad. If you are broke, more reason to drive your car cautiously before getting them changed.
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Old 09-01-2012, 12:33 PM   #12
Black94Snake
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I say you should keep driving it as hard as possible. Make sure you use as much gas as you can, so your family can keep supporting your stupid ass. And then when you grenade your engine... Post up and bitch about how you were too lazy and cheap to get the right plugs.

I will then promptly laugh at you, and point you towards a scrap yard. That way you can sell off the car you do not deserve, and go buy a huffy from the local pawn shop.

Jackass, you are making the rest of us look bad. Go buy a Honda.
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Old 09-01-2012, 08:47 PM   #13
DabiDa
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Location: Nor*Cal
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2002 impreza wrx
psm

Default

Hahahah i love this forum with people who assume things,As you can clearly see i was just stating that the car pulls very nice and idle was good,that is why i was curious to why i get the misfire codes.I did my pull got a read out,Cobb stated what to do im now doing that like i stated step by step sorry if my family helps me out jackass.Im the 7th owner of this car that has 163k miles and have been taking care of it,we are not all rich like you Next time before you want to open your mouth maybe you should get some info or read better **** Face..Thank you Cobb/Bill for all your help,Your customer service is awesome just wish the others on here could learn and be the same towards others.
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