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my powerfc took a dump on me help

powerfc 2zz corolla xrs

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#1 highrev16v

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Posted 22 May 2013 - 02:27 AM

hey i need some help i had my powerfc for a while now but it took a dump on me. i put back my stock ecu back to drive till i get my powerfc checked out. , but question is my car wont idle when i put my stock ecu in? what do i have to do? help

#2 My05xrsrolla

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Posted 22 May 2013 - 02:39 AM

What mods do u have on ur car

#3 dmsyr

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Posted 22 May 2013 - 02:59 AM

So it won't start or the idle is off or what?

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#4 hughesjasonk

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Posted 22 May 2013 - 03:21 AM

What mods do u have on ur car


yes please
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#5 highrev16v

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Posted 22 May 2013 - 03:22 AM

mods i have are ppe intake and no cats. it idles after so many tries in cranking, but when i drive it just shuts right off. thats on my stock ecu. but when i plug the apexi the check engine ligh blinks and idles really rough and rich. i just want my stock ecu to run in the mean time but it just dies when i drive and idles only after so many times cranking. any suggestions?

#6 hughesjasonk

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Posted 22 May 2013 - 03:57 AM

swap out your intake with some thing smaller then 3 inches and it should idle until you get your pfc situation fixed.
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#7 highrev16v

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Posted 22 May 2013 - 04:21 AM

whats the average voltage on the mass airflow sensor? cause i looked at my datalogger and airflow sensor reads 5115mv that looks pretty high i think it causing my apexi to go crazy and making the check engine light blink.

i pulled out my airflow sensor its dirty ass f*** ill clean it and try again. but worst comes to worst whats average price for that kinds of sensor?

#8 Caniac14

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Posted 22 May 2013 - 08:06 AM

What exactly is a powerfc and what does it do?
318 whp 04 Matrix Xr

#9 highrev16v

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Posted 22 May 2013 - 08:10 AM

its a stand alone computer.

#10 Epic4g

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Posted 22 May 2013 - 10:19 AM

swap out your intake with some thing smaller then 3 inches and it should idle until you get your pfc situation fixed.


^^This

#11 hughesjasonk

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Posted 22 May 2013 - 10:26 AM

i pulled out my airflow sensor its dirty ass f*** ill clean it and try again. but worst comes to worst whats average price for that kinds of sensor?


115 new

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#12 Da6d

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Posted 22 May 2013 - 12:01 PM

Is the Celica GTS MAF the same? Maybe hit up the junk yard around you?
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#13 ThAoxRs

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Posted 22 May 2013 - 02:11 PM

Change back to your oem intake when u go back to oem ecu.
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#14 FinalGear

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Posted 22 May 2013 - 04:34 PM

i pulled out my airflow sensor its dirty ass f*** ill clean it and try again. but worst comes to worst whats average price for that kinds of sensor?


Autozone..it's somewhere around $85 bucks...

#15 hughesjasonk

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Posted 22 May 2013 - 05:28 PM

Autozone..it's somewhere around $85 bucks...


those are remanufactured and requires a core.
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#16 highrev16v

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Posted 22 May 2013 - 05:35 PM

sounds good guys. im going to put on the stock intake back on and give it a try. since i have a straight pipe on the car the secondary o2 sensor is disconnected that wont effect anything but emissions right?

#17 hughesjasonk

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Posted 22 May 2013 - 05:57 PM

Just emissions and your fuel economy

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#18 Da6d

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Posted 22 May 2013 - 06:57 PM

Yeah the car won't have a reading so it can't adjust fuel tables. It "locks" at a set table when O2 sensor malfunctions.
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#19 highrev16v

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Posted 22 May 2013 - 07:14 PM

alright guys heres the verdict i put on the stock parts on samething. so i bought a multimeter to test the maf sensor and sure enough it was faulty it was too high on the voltage reading and very little resistance. anyways i bought a refurbish one at autozone for 80 bucks plus my core. i put that sucker it and car runs on my stock ecu. so now i swapped my stock for the pfc and my Pfc works fine . thank god lol i didnt want to buy a new PFC especially its harder to get now. anywho thanks guys for your help!

#20 dmsyr

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Posted 22 May 2013 - 07:48 PM

Glad it all worked out! PFC is expensive!

Injen,Redliner9k PPE header,2.5 custom exhaust,ES MM Inserts, Ksport coilovers,TRD quickshifter,custom painted carbon fiber hood,headlight projector retrofit,6000k lows,4300k fogs,Altis grille,Altis 2nd gens,Altis roof spoiler,PR LIP,VG Sharkfin antenna,Altis duckbill spoiler,ESAM visors,Ultra Racing 4 pt. strut bar,Aodhan AH05 wheels
'03 Matrix XRS ECU-LIFTing at 6200

scoottuned reflash - LIFTing at 5500

BOLTED AND SLAMMED






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