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12-08-2007, 12:23 PM
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#1
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Join Date: Sep 2007
Location: Poconos, PA
Posts: 606
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evap codes
Ok , My car is throwing these 2 codes
p0441 evap system incorrect/no purge flow
p1441 evap system flow during non purge
The little bit of research ive done leads me to believe its a vacuum leak, canister vent or a purge valve (latter came from a mustang guy so dont yell lol). Should i just replace the canister itself ? I told yall i was a n00b mechanic
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'96 Z28 Vert M6 - UMI LCA's,UMI SFC's,BMR Panhard rod(soon to be UMI),UMI Short Shifter,Custom clutch, SLP CAI, SLP Strut Brace, Skip Shift Elim, MagnaFlow Catback,160 stat, Tb bypass, Air Foil ,prothane motor mounts & tranny mount, Stainless Radiator Shroud, Hooker headers with magnaflow hiflo cats, brand spanking new tranny, Umi torque arm , C5 brakes all 4 corners .
Soon to come... New paint , and glass .
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12-08-2007, 04:04 PM
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#2
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,213
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That might be the flow valve that mounts on the passenger side of the intake manifold. When that EVAP stuff gets old and dries out, it's almost worth replacing all the little stuff that could leak. I did the cannister, rear purge valve, some hoses, the stuff up on the intake. My cannister had dried out and the charcoal was getting sucked all the way up the line and into the intake! The cannister and dried out lines at the back of the car can be a real PITA to deal with so be prepared!
Go to this site for some good information 4th Gen Tech Articles
Here's a shot showing a lot of the EVAP stuff up around the engine.
And the rear stuff.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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12-09-2007, 02:55 PM
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#3
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Join Date: Sep 2007
Location: Poconos, PA
Posts: 606
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sweet , thanks man!
__________________
'96 Z28 Vert M6 - UMI LCA's,UMI SFC's,BMR Panhard rod(soon to be UMI),UMI Short Shifter,Custom clutch, SLP CAI, SLP Strut Brace, Skip Shift Elim, MagnaFlow Catback,160 stat, Tb bypass, Air Foil ,prothane motor mounts & tranny mount, Stainless Radiator Shroud, Hooker headers with magnaflow hiflo cats, brand spanking new tranny, Umi torque arm , C5 brakes all 4 corners .
Soon to come... New paint , and glass .
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12-16-2007, 06:14 PM
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#4
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Join Date: Sep 2007
Location: Poconos, PA
Posts: 606
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picked up a new purge switch, purge solenoid ,evap canister and gas cap .... issues are gone ..chances are it was only 1 but it doesnt hurt to replace em ... they were cheap enough.
__________________
'96 Z28 Vert M6 - UMI LCA's,UMI SFC's,BMR Panhard rod(soon to be UMI),UMI Short Shifter,Custom clutch, SLP CAI, SLP Strut Brace, Skip Shift Elim, MagnaFlow Catback,160 stat, Tb bypass, Air Foil ,prothane motor mounts & tranny mount, Stainless Radiator Shroud, Hooker headers with magnaflow hiflo cats, brand spanking new tranny, Umi torque arm , C5 brakes all 4 corners .
Soon to come... New paint , and glass .
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