2007 STI with AccessPORT V2 set on stage2 (check engine light flashing)

[Spt Freak]

Just put on a Perrin Catted dp, SPT cb, and ARC intake. Set the AccessPORT on stage2 91 octane. ( but I only have 93 in my area ) Every now and then the check engine light starts flashing. Getting a Pro Tune in a couple of weeks but what can fix this problem till then? Sorry if this is a double post I just don't have the time to read thru all the forums.

Thanks

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[GiMpin]

Check the code with the access port. What is it? how does the car run?

[Cobb Tuning]

A flashing check engine light is usually related to a more serious issue like a misfire, so try to read the codes using the AccessPORT. How many miles are on your car? How old are the spark plugs?

Ian

[Spt Freak]

Originally Posted by Cobb Tuning

A flashing check engine light is usually related to a more serious issue like a misfire, so try to read the codes using the AccessPORT. How many miles are on your car? How old are the spark plugs?

Ian

The car has 20,000 miles and I just tuck it out for a ride today. Code said that it's running to lean.

[Cobb Tuning]

Originally Posted by Spt Freak

The car has 20,000 miles and I just tuck it out for a ride today. Code said that it's running to lean.

A running too lean code (P0171) is likely due to the aftermarket intake that you have installed. Only the stock intake and the Cobb SF intake are compatible with the OTS maps. You can get a custom tune from a protuner for your intake or you can put either of the intakes just mentioned on if you plan to stick with the OTS map. If you do the latter, make sure you reset the ECU via the AccessPORT's troubleshooting menu. Using the wrong intake can cause major problems as the intake determines airflow and load, which ultimately determines the fuel target, the fueling calculation and cam/ign. timing.

Bill

[Demonkyo733]

I have a question related to this. I have a spt intake from factory and i'm running the OTS stage 1 93 Octane on my 07 WRX. It doesnt seem to have any issues with it. how can i tell on the AP if its hurting, helping, or nothing at all. Also have the Accesstuner Race program. Thank you

[Cobb Tuning]

Originally Posted by Demonkyo733

I have a question related to this. I have a spt intake from factory and i'm running the OTS stage 1 93 Octane on my 07 WRX. It doesnt seem to have any issues with it. how can i tell on the AP if its hurting, helping, or nothing at all. Also have the Accesstuner Race program. Thank you

You can check the A/F Learning 1 A, B, C, D monitors via the AccessPORT's live data feature (loggable as well). These are your long-term fuel trims. If it has been a good amount of driving (at least a week) since you last installed the AccessPORT, reflashed a map, reset the ECU, or disconnected the car's battery, then those should be populated with representative values. Each one should be within about +/- 5%, with outside of +/- 8% indicating a potential problem.

Bill

[Demonkyo733]

Ok i am driving it to work tomorrow to check those values. Thank you i cant seem to find any help learning the accesstuner race not very many people want to help unless for money of course. Thank you bill

[Cobb Tuning]

Originally Posted by Demonkyo733

Ok i am driving it to work tomorrow to check those values. Thank you i cant seem to find any help learning the accesstuner race not very many people want to help unless for money of course. Thank you bill

Check out our tuning guide, worksheet, and some tutorials at the following links which pertain to the AccessTUNER software:
http://www.cobbforums.com/forums/sho...et-for-Subarus

http://www.cobbforums.com/forums/sho...-Race-software.

Bill