Question about 2001 Chevrolet Blazer

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Blazer gives emission codes: 410,446,452,and453- need help

All of these codes are causing my 2001 chevy blazer to fail emissions

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iambanshee74
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SOURCE: 1985 Chevy Blazer 2.8L Vacuum/Emissions diagram

Shouldn't be an issue. email me at iambanshee74@yahoo.com and I will send them straight to you.

Posted on May 09, 2010

SOURCE: emission failure on 2001 chevy blazer 4.3-

your vehicle has a vent valve solenoid located on the evap canister under the back end of the vehicle. You most likely have a bad vaccuum line going to the evap caniser. Have the vehicle smoke tested to verify. If no leaks are found replace the vent valve solenoid

Posted on Oct 25, 2012

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Need vacuum line diagrams for a 1994 Chevy s10 blazer, Tahoe. 4.3L vortec v6. 4x4. As soon as problem please if anyone can help.


Look for the emissions label inside the engine compartment, they usually have the emission routing schematic for your car there. Failing that your local library has access to online service manuals, you can get the info there, free.

Aug 29, 2014 | 1994 Chevrolet S-10

1 Answer

Failed 2001 chevy blazer code 452


(PO452 general motors code, low evaporative emmisions control input) Believe it or not it could be that the gas cap is not on tight or needs to be replaced. Other than that: vacuum line or evap. canister leak.

Nov 02, 2012 | Cars & Trucks

1 Answer

Emission failure on 2001 chevy blazer 4.3-


your vehicle has a vent valve solenoid located on the evap canister under the back end of the vehicle. You most likely have a bad vaccuum line going to the evap caniser. Have the vehicle smoke tested to verify. If no leaks are found replace the vent valve solenoid

Oct 25, 2012 | Chevrolet Blazer Cars & Trucks

1 Answer

Code 0410 chevy blazer 2001


Code 410 for a GM product is a problem with the secondary air injection system.
There is a pump that puts air into the exhaust to lower emissions.
You may have to get a shop manual to find the diagnostic steps to find the problem.

Oct 15, 2012 | 2001 Cadillac Catera

1 Answer

On a 2001 chevy s1o blazer,4.3 engine, what is the secondary air injection system, what does it do, and where is it located


it injects air into the exhaust to reduce emissions, burn off carbon monoxide and hydrocarbons. it is a system of tubes and pump, best bet is diagrams, which i cant post here, so suggest chilton or hayes repair manual $30 at auto stores with trouble shooting, diagrams, and directions.

Jun 09, 2012 | 2001 Chevrolet Blazer

1 Answer

2000 chevy blazer w/ trouble code P0440, stall when hot outside and when you run the air.


P0440 - Evaporative Emission (EVAP) System .The most common cause for this code is a loose or bad gas cap.The running issue is unlikely caused by this.Is that the only code present?

Aug 30, 2010 | 2000 Chevrolet Blazer

1 Answer

2002 chevy blazer codes 443 449 i replaced the maf sensor the vaf sensor on air horn the emmision valve on the engine the vent valve to even tried the gas cap clear codes drove the truck guess what codes...


p0443 is evaporative emission control system, purge control curcuit malfunction, p0449 is emission control system, vent control curcuit malfunction. p0449 is often a filler cap problem on fuel tank. try tightening cap

May 20, 2010 | 2002 Chevrolet Blazer

1 Answer

1985 Chevy Blazer 2.8L Vacuum/Emissions diagram


Shouldn't be an issue. email me at iambanshee74@yahoo.com and I will send them straight to you.

May 09, 2010 | 1985 Chevrolet S-10 Blazer

1 Answer

Pcm not ready to test 1997 chevy blazer


what DTC, and what monitors didn't pass? Drive cycling untill they clear or the code comes up is the only answer. Have you had a CEL or ran the battery dead lately?

Sep 25, 2008 | 1997 Chevrolet Blazer

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