5 20 Fuse Pull

[hunter1660]

How many miles on car...is motor broke in...you might look up hard breakin in the forum search ....just a thought

[garcmol]

Originally Posted by Nessal

When I got my car from the dealer, I knew for sure they filled up with 87. So what I did was fill it up with 91 for TWO tanks without doing the fuse pull. Then on my third fill up, I did the fuse pull. The car pulls much harder than off the lot.

[MyIBMssRS]

Originally Posted by platinum ss

will this fuse pull work with a tuned car?

A good tune should already be optimized for 91 or 93 octane, the fuse pull would counteract the work of the tune.

[jtfire006]

is this fuse pull for the v-8 only or does it do the same with the v-6?

[TSSUNAMI]

Don't forget to run your tank next to empty, and then maybe a tank or two of high octane before doing the fuse pull.

[hightower]

I honestly didn't notice much of a difference.

And my father had put a tank of 87 octane in it as well. I drove almost all the 87 out, filled it with 91, and drove it home from school (230 miles). Then I filled it again with 91, pulled the fuses overnight (12 hours or more actually) and then drove it the next day. I didn't really notice anything. But then again my camaro never felt sluggish or anything in the first place.

OP I wouldn't worry about it if I were you.

[slick rick]

Originally Posted by jtfire006

is this fuse pull for the v-8 only or does it do the same with the v-6?

V8 only

[Supersport2011L99]

Originally Posted by garcmol

And remember, the car needs to sit for a while with the fuses out. Best time to do this is when you come home for the night, then install them the next morning. The longer they're out, the better!

Wtf? Once you pull a fuse the circuit breaks and it reset's why would you have to wait?

[1camaro70]

Mine was 87 from dealer well before the fuse pull was known about, lack of performance made me have a tune done, it added 27 HP and 50 torque, then did the fuse pull...WOW what a difference, I always used 93, but computer never resets itself, put at least three tanks thru then do pull, one hour worked for me.

[E.T.]

Originally Posted by Supersport2011L99

Wtf? Once you pull a fuse the circuit breaks and it reset's why would you have to wait?

Yeah, that seems a little odd to me, too. I would think it would be instantaneous. Maybe there is a capacitor or something that holds charge for a short period of time?

[garcmol]

Originally Posted by Supersport2011L99

Wtf? Once you pull a fuse the circuit breaks and it reset's why would you have to wait?

Originally Posted by E.T.

Yeah, that seems a little odd to me, too. I would think it would be instantaneous. Maybe there is a capacitor or something that holds charge for a short period of time?

I don't know all the magic of it, but the folks that discovered this state "several hours".

I'll see if I can find the post.

[garcmol]

Here you go.

Originally Posted by radz28

As reported on Homepage.


Okay - after seeing a request for a sticky on how this is done, if someone can post up a couple pics' and exactly how/what to do to correct the power issue with L99s and low octane table, then I'll sticky it here. I think it can go over to the DYI Section too, however, I think it'll do more good here for now. Unless Admin'/Mods' say otherwise, I'll leave it here.

So, again, if someone can snap a few pics', so the DYI'er knows exactly what he/she's doing, and do a quick write-up, and maybe short background on why, I'll change this to a sticky and obviously give credit where it's due.

It should be understood that there is always a risk in DYI'ing, and that this site, Administrators, Moderators, and Members hold no responsibility for any conditions that may arise from performing this on your car; it is completely the responsibility of the DYI'er and owner of the car. This is not a guaranteed fix; only things that some members have shared through their own experimentation.

Waiting on some more confirmation from a member who is working with their dealer to verify the good/bad with regard to this proceedure.

UPDATE: While not officially confirmed, '10 and '11 models do not have modified calibrations to correct this issue. It does NOT appear there is a reflash to correct this. Reliable source(s) say that either a TECH II reflash or this procedure are the only ways to correct this issue. It's unknown if this will change in the future, however, if low octane is detected, the only way for the PCM to get back into the high octane table is outlined a sentence ago.

#PIP4728: Higher Than Expected 0-60 MPH (97 KPH) Acceleration Time- (Nov 4, 2009)
How about that

*********************

Some interesting reads:
http://www.camaro5.com/forums/showthread.php?t=38915
http://www.camaro5.com/forums/showthread.php?t=38838
http://www.camaro5.com/forums/showthread.php?t=38872
http://www.camaro5.com/forums/showthread.php?t=39028

Does it really work?... http://www.camaro5.com/forums/showthread.php?t=36837 There's one test...

• Make sure the engine and ignition are turned off

• Locate Fuse Panel in front of the passenger's side front strut tower and pull the cover

• Remove #5 and #20 (15A fuses) (photo of location below)

• Let the car sit for at least several hours (overnight is preferable)

• Install #5 and #20 (15A) fuses

• Install Fuse Panel cover

• Restart vehicle and enjoy

Note: Do not unplug the battery. It has no effect.






Data collected from: Scott@Bjorn3D, CamaroSpike23, PQ, GMRULZ, tribone

[gutterball]

garcmol, when you pull the #5 and the #20 fuse , you kill power to the circuit, so it resets it self. Unpluginf the Batt. should do the same, the circuit will see no voltage and reset itself.

[garcmol]

I know what your saying, but this was the method that worked for thousands of Camaros. I would think so to, but it was tried and didn't work.