p0446 - Chevrolet Forum - Chevy Enthusiasts Forums - Threads Tagged with p0446

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Threads Tagged with p0446

Threads Tagged with p0446

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0446, 0449, 0452, cam, ckp, distributor, evap, evap control, express 3500, flashing, fueltank pressuresensor, intermittent, low signal voltage, mil, misfire, p0300, p0446, p0451-454, random, redlining overrevving, relearn, retard, solenoid, steady

fix for P0300 random misfire express 3500

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Multi-page thread

1 2 3 ... Last Page)

MitchM on Sep 4, 2021

Dec 14, 2025 5:00 PM
by ecport

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79

76,125

Express, Savana & G-Series Vans

evap, p0446

P0446 when fuel drops below 1/2 tank

woodyguthrie on Aug 16, 2025

Aug 16, 2025 10:12 AM
by woodyguthrie

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0

451

Tahoe & Suburban

1500, 2000, chevrolet, chevy, cobalt, code, codes, equinox, gas, gauge, p0446, p0452, tahoe, venture, yukon

Codes P0446 P0452

oldjohnny on Nov 21, 2010

Jul 1, 2017 8:54 AM
by Mike Corso

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2

13,566

Tahoe & Suburban

check engine light, mil code, p0446, repair

P0446

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Multi-page thread

1 2)

GLKustoms on Jan 3, 2016

Jan 31, 2016 10:12 AM
by tech2

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17

43,659

Tahoe & Suburban

1999, 2004, 6000, chevy, code, colorado, defective, gmc, p0446, po446, purge, silverado, solenoid, solenoids, valve, vent, vortec

Check engine light is on.

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Multi-page thread

1 2)

ChrisRod on Sep 14, 2008

Jan 6, 2015 7:14 PM
by 69impalaconvharv

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18

127,887

Silverado, Sierra & Fullsize Pick-ups

chevy, p0446, silverado

P0442 & p0446

Mguard44 on Sep 6, 2013

Sep 6, 2013 1:24 PM
by Mguard44

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0

5,386

Silverado, Sierra & Fullsize Pick-ups

06, 2006, aveo, cap, cavalier, check, chevy, cobalt, cobolt, code, engine, evap, gas, open, p0446, po446

P0446 code on a 2006 cobalt

samster35 on Sep 23, 2010

Apr 10, 2013 10:33 PM
by filipov

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3

46,470

03, 0446, 2013, canister, cel, chevy, code, erase, p0171, p0174, p0446, silverado, solutions, throwing, valve, vapor, vent

03 Silverado CEL P0446

packmanno1 on Jan 21, 2013

Jan 23, 2013 11:12 PM
by cleveland63b

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2

9,725

Silverado, Sierra & Fullsize Pick-ups

2001, chevy, code, cost, evap, iget, p0446, part, po446, purge, silverado, truck, tsb, valve, vent, wher

P0446 Code cost

Concours98 on Apr 10, 2012

Apr 10, 2012 3:23 PM
by Concours98

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0

6,455

Silverado, Sierra & Fullsize Pick-ups

01, 05, 07, 2000, check, chevy, code, p0446, p0446b, p0496, po446, po496, purge, silverado, tahoe, valve

2 Attachment(s)

Help with p0446 p0496 codes

cobray on Feb 6, 2012

Feb 7, 2012 5:41 PM
by terpsmandan

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1

44,162

Tahoe & Suburban

, 2000, 2007, 469, 781, b1, b2, chevy, code, p0446, po420, po420code, sensor, silverado, stft

PO420 Code..Cat converter?

jtlonghorn on Jan 16, 2012

Jan 18, 2012 11:29 PM
by EinST

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4

10,585

Silverado, Sierra & Fullsize Pick-ups

Smile

2001, 446, check, chevrolet, chevy, code, engine, fuel, obc, p0446, pick, po446, po446b, silverado, truck

Code PO446

bpayusa on Apr 22, 2011

Apr 22, 2011 6:34 PM
by bpayusa

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0

11,841

Silverado, Sierra & Fullsize Pick-ups

05, 06, 2006, chevrolet, chevy, code, gm, location, p0446, p0446a, po446, silverado, siverado, trucdk, truck

P0446

Debbie Hutchins on Mar 23, 2011

Mar 24, 2011 11:32 AM
by EinST

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1

5,907

Silverado, Sierra & Fullsize Pick-ups

aveo, blazer, canister, chevrolet, chevy, cobalt, control, evap, p0446, purge, silverado, solenoid, tracker, valve, vent, venture

P0446 Code, EVAP Vent valve

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Multi-page thread

1 2)

arminkropp on Mar 4, 2010

Apr 1, 2010 10:57 PM
by arminkropp

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11

89,810

Exclamation

0446, 1997, 43, 97, blazer, chevrolet, chevy, code, evap, gmc, p0446, picks, po446, problem, silverado, sonoma, system, truck

1997 chevy silverado 4.3 evap problem

97chevy4.3 on Jun 20, 2009

Jun 20, 2009 10:38 PM
by 97chevy4.3

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0

5,088

Silverado, Sierra & Fullsize Pick-ups

2000, blazer, chevrolet, chevy, code, error, evap, impala, malibu, p0446, po446, silverado, solanoid, solenoid, vent

Error Code P0446 2001 Tahoe

Cleaner on Apr 6, 2009

Apr 8, 2009 10:32 AM
by 73shark

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2

39,738

Tahoe & Suburban

circuit, cobalt, control, emission, evap, evaporative, low, malfunction, p0446, p0452, pressure, s10, sensor, system, vent

Evaportive Emissions problem

vfilby on Mar 11, 2007

Mar 18, 2007 12:42 PM
by ZX1100F1

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7

9,902

Silverado, Sierra & Fullsize Pick-ups

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