Fuse Pull: Low Octane Fuel Fix For L99 and LS3. Reset Fuel Map for High Octane Fuel. - Page 203 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

GenesisCoupe · 10-21-2021, 11:28 PM

Could anybody help to find the location of the Fuel Rail Pressure Relief Valve ? Is it a part of the fuel pump assy ? Or it's on the fuel rail on the engine ? L99 2011

Engine hard to start on hot, I think this one could cause..

f5journal · 03-28-2023, 02:14 PM

I have been here forever. I can tell you this does work. However, disconnecting the battery or reflashing your tune or the GM tune does the same. This only does the fuel table and the difference is like "mini-limp mode". It is like all it does is change the timing back to a fully advance curve

Caveman_SS · 07-20-2023, 09:49 AM

Quote:

Originally Posted by GenesisCoupe

Could anybody help to find the location of the Fuel Rail Pressure Relief Valve ? Is it a part of the fuel pump assy ? Or it's on the fuel rail on the engine ? L99 2011

Engine hard to start on hot, I think this one could cause..

If you're talking about the Schrader valve, it's on the driver's side fuel rail at the front end of it. Should have a black cap on it.

At least that's where it is on my 2010 w/LS3.

1JEWLDSSRS · 07-21-2023, 05:24 PM

Quote:

Originally Posted by Caveman_SS

If you're talking about the Schrader valve, it's on the driver's side fuel rail at the front end of it. Should have a black cap on it.

At least that's where it is on my 2010 w/LS3.

This was asked 2 years ago. I hope by now he figured it out!! lol

Caveman_SS · 07-21-2023, 07:12 PM

Quote:

Originally Posted by 1JEWLDSSRS

This was asked 2 years ago. I hope by now he figured it out!! lol

Oh shoot. I didn't pay attention. Sorry

1JEWLDSSRS · 07-22-2023, 09:07 AM

Quote:

Originally Posted by Caveman_SS

Oh shoot. I didn't pay attention. Sorry

Hey, no worries. We have ALL done that a time or two!! At least I have..

lol.

10-21-2021, 11:28 PM	#2829
GenesisCoupe Drives: 2011 Chevy Camaro 2SS A/T Join Date: Feb 2020 Location: Swiss, Geneva Posts: 71	Could anybody help to find the location of the Fuel Rail Pressure Relief Valve ? Is it a part of the fuel pump assy ? Or it's on the fuel rail on the engine ? L99 2011 Engine hard to start on hot, I think this one could cause.. Last edited by GenesisCoupe; 10-22-2021 at 01:36 AM.

03-28-2023, 02:14 PM	#2830
f5journal Senior Camaro Fanatic Drives: 2011 SS/RS manual - White Join Date: Aug 2010 Location: aiken, sc Posts: 1,980	I have been here forever. I can tell you this does work. However, disconnecting the battery or reflashing your tune or the GM tune does the same. This only does the fuel table and the difference is like "mini-limp mode". It is like all it does is change the timing back to a fully advance curve __________________ Former '68 and '69 Z/28 Owner...........Now sporting around in a 2011 RS/SS with........Kooks LT's and cats, JRE tune, CAI, scoop, ZL1 Bumper conversion, custom ZL-1 grille, halo harness, Painted silver stripes, GM GFX, black painted lower edge of skirts and rear bumper. MGW shifter.....and now a 3.91 1LE diff

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