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Failed 2001 chevy blazer code 452

Has failed emission code 452- what and where is this sensor

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(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.

Posted on Nov 06, 2012

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Posted on Jan 02, 2017

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hfmiles
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SOURCE: dont have 02 sensor in my 1984 chevy s/10 blazer

My research shows that the 1984 2.8 has one O2 sensor and one catalytic converter.

Posted on Jan 10, 2011

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

perkins48
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SOURCE: blazer gives emission codes: 410,446,452,and453- need help

Here's a link to the codes.http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f80cb36e5

Posted on Oct 25, 2012

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1 Answer

HOW DO I REMOVE A AIR PUMP FROM A 2001 CHEVY BLAZER


unbolt it! Make sure you dont have to have it for emission testing in your state. And your truck will not run properly after removal. Your check engine light will be on because to o2 sensors will read to much carbons.

Jan 31, 2015 | 2001 Chevrolet Blazer

1 Answer

1999 chevy siverado 4.8l diagnostic tester says i have po300,po121,po122,po440,p0449,po452 and gm p1639


Maybe.
Codes 121 and 122 are for the throttle position sensor circuit.
Code 400 is EGR and codes 449 and 452 are for the EVAP system.
Code 1639 is for a problem with the 5 volt reference circuit from the engine computer.
The throttle position sensor could be failing which could prevent the gas pedal from working. And the 5 volt reference problem could shut down the computer which would kill the engine. EGR is an emissions component and EVAP is the system that vents gas fumes from the gas tank.
Codes are only a guide for a mechanic to troubleshoot the circuits involved. They do not mean a component is faulty.

Jan 22, 2014 | Chevrolet 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

Where is the evap emission sensor. I have Code 452


That code is for a fuel pressure sensor low voltage. The pressure sensor is located on top of the fuel pump. The fuel tank will need to be dropped in order to service the pressure sensor.

Jul 25, 2012 | 2009 Dodge Journey

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

My 2001 GMC jimmy has a P0453 and a P0452 Code how can i fix this ?


Evaporative emission control system pressure sensor, is showing high (453) & low ( 452) input. Check all hoses to vapor canister, as well as connections. Link below will give you an idea where/what to look for.

http://alflash.com.ua/evap.htm

Oct 09, 2009 | 2001 GMC Jimmy

2 Answers

I have a code p452 does anybody know what this means... 1999 Cadillac deville


PO 452 FUEL TANK PRESSURE SENSOR CIRCUIT LOW INPUT CONDITIONS.YOUR FTP SENSOR IS DAMAGE OR HAS FAILED.

Sep 10, 2009 | 1999 Cadillac DeVille

1 Answer

2001 Chevy Blazer has check engine light on and hard to start.


Try IAC the idle air control because its what compensates a rich or lean mixture. There is another sensor called ECT sensor which reads off the tempature of the coolant

Jan 05, 2009 | 2001 Chevrolet Blazer

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