PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

any free way to clear pcm of codes

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Old Sep 20, 2009 | 01:20 AM
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Default any free way to clear pcm of codes

got a gremlin that is coming and going with my car p0358 which has been going on for sometime even with the previous owner, i did not know this until it did it for me.. i am trying different fixes and i have it narrowed down, is there a way to clear the ses light/pcm without a scanner tool, possibly disconnect battery or somthing along them lines, that way i am able to try somthing and drive it to see if it comes back or not.. thanks


i am aware the code is ign misfire cyl 8, i ruled out the coil allready, im trying ign coil harness next or maybe try and ign coil relay(previous owner said that is what fixed it for him) im a real noob with ls1's (came over from team blue oval)


thanks guys
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Old Sep 20, 2009 | 03:16 AM
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Yeah pull the pcm fuse. Should clear current codes anyway.
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Old Sep 20, 2009 | 03:58 AM
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ok thats what i needed to know... if i can clear it and that monster comes back ill know it didnt help..


will this effect my current tune though at all.. i really hate being a noob
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Old Sep 20, 2009 | 06:01 AM
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Wont effect the tune at all.
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Old Sep 20, 2009 | 10:40 AM
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Originally Posted by ringram
Yeah pull the pcm fuse. Should clear current codes anyway.
looool,

ur the best.
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Old Oct 4, 2009 | 10:37 AM
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Another Noob Question...

From my reading if you unhook the battery any codes set will clear - OK. Does the computer have to go through a relearn process at all once you hook the battery back up? As mention above the tune is not affected but nothing goes away?

Thanks
Danno74Z
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Old Oct 4, 2009 | 03:35 PM
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It does. Just start the car. It will have a rough idle for a minute or two and it will smooth out and you all set. Your tune is in the flash memory so it wont go anywhere or change at all.
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Old Oct 4, 2009 | 04:07 PM
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Thanks Bucksbadz
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Old Oct 7, 2009 | 08:29 AM
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you could also go to a local parts store and use their OBDII reader. This will allow you to see the codes and to clear the codes.
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Old Oct 7, 2009 | 01:20 PM
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but that would be easy and free.......
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