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HOW TO REPAIR A po307 engine code on a 2007 chevy silverado

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The code p0307 is a misfire code on cylinder number 7 which is the 3rd cylinder on the driver side need to check spark plug and plug wire for that cylinder as it can be anything from a sticking valve to a vacuum leak what i do to check this is remove number 5 cylinder plug and wire and install them on cylinder number 7 and put plug and wire from 7 on 5 and clear codes and drive till light comes on and see if it comes up with same code if it does you will need to check for a vacuum leak or a valve problem with cylinder 7 if it comes up with a p0305 then change the plug and wire

Posted on May 14, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 135 Answers

SOURCE: 2007 chevy silverado slow filling gas tank

vent tube must be blocked off, check the tube first, thanks robert b.

Posted on Jun 17, 2009

  • 521 Answers

SOURCE: how do I raise the bed on a 2007 chevy silverado

8 bolts...4 on each side witht he frame rails. 3 screws inside fuel filler door.
from underneath...back by the driver side tailiht area you should see a wiring juntion block with i believe 3 connectors...disconnect those. you may also have to loosen or remove the rear bumper for the lower part of the bed to clear. then all u gotta do is gently and evenly lift it off9 with assistants mind you(extra bodies)

Posted on Jul 19, 2009

emissionwiz
  • 75051 Answers

SOURCE: 2007 Chevy Silverado check engine light came on.

the check engine light is on to tell u that one or more of about 200 possible problems has occured in the electronic engine controls or emissions controls and monitor system, this kind of leaves guessing out due to the number of poss problems so you must take the truck in and have the system tested for the troulbe code that is now stored in memory

Posted on Aug 07, 2009

  • 192 Answers

SOURCE: 2007 chevy silverado 2500 hd duramax shut down

mo me it sounds like low fuel volume i would check my lift pump

Posted on Sep 30, 2009

  • 1608 Answers

SOURCE: 2006 5.3ltr chevy silverado z71 p0455 andp0449

These codes are for the evaporative emission system.The 455 is the vent solenoid.The 455 is a large leak in the evap.system.The vent solenoid I would replace because they go bad and will not work because they are under the vehicle in the rear of the truck.There is a bulletin for these and the vent valve is installed in another spot.The number for the bulletin is 02-06-04-037E.You should also look for a broken or loose hose or pipe that might have came off.Specially if you ran over something.If none found it could just be the vent solenoid stuck in the venting position.Good luck.

Posted on Dec 01, 2009

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Abslight stays on. How to fix? This is a2007trailblazer?


First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
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Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
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1 Answer

.2005 Silverado 6,0 codes po307,po332,po455,po2761 changed plugs and wires. need help .suggestions pleaSe


P0307: Cylinder 7 Misfire Detected
http://www.autocodes.com/p0307_chevrolet.html

P0332: Knock Sensor 2 Circuit
http://www.autocodes.com/p0332_chevrolet.html

P0455: Evaporative Emission Control System Leak Detected Gross Leak
http://www.autocodes.com/p0455_chevrolet.html

P2761: Torque Converter Clutch Pressure Control Solenoid Valve Circuit
http://www.autocodes.com/p2761_chevrolet.html

Oct 28, 2016 | 2005 Chevrolet Silverado

1 Answer

2007 Chevy Silverado 1500 Diagnostic code P0442 repair?


Usually this is a loose or improperly sealing gas cap. The code will clear out (iirc requires 3 starts from cold) or get your local autoparts store to clear it for you. Gas cap is easiest and cheapest thing to try. It can also be a leaky evaporation canister, leaky vacuum hose, leaky fuel filler hose...etc. basically as part of the test cycle it checks to see if the evaporation system holds a specific vacuum for a specific time. Yours failed the test.

Jul 19, 2016 | 2007 Chevrolet Chevrolet Silverado 1500

1 Answer

What are the probable causes of DTC P0449?


P0449 - OBD-Codes.com

www.obd-codes.com/p0449
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EVAP Code P0449 - YouTube

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Mar 13, 2013 - Uploaded by realfixesrealfast
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09 Chevy silverodo 4.3 engine hot/ac turned off


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    Engine Hot A/C Turned Off Silverado - YouTube

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    May 11, 2013 - Uploaded by aeroaggie This applies to 2008 Chevrolet Silverado 4.3L V6 WT models. ...the dash reading "engine hot, AC off"..on a 2007 Chevy Silverado4.8L. ... I have an 09 Silverado and the dealer changed thethermostat under warranty in 2013.

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My 2007 chevy silverado engine hot/acoff light comes on


I had the same problem on my 07 silverado. Nobody could figure it out but it turned out just a thermostat. I was sticking on occasion and tripping the sensor. The message that comes across the dash is the same for any heating/cooling problem.

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1 Answer

2007 chevy silverado 2500 hd duramax shut down


mo me it sounds like low fuel volume i would check my lift pump

Sep 30, 2009 | 2007 Chevrolet Silverado 2500HD

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I have a 5.3 2007 chevy pickup with the following codes showing bb1, bb2 and bb3. Where do I find what the codes mean


Check engine light codes BBEVAP,
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Sep 27, 2009 | 2007 Chevrolet Silverado 1500HD

2 Answers

2007 Chevy Silverado check engine light came on. Only 30k miles.


the check engine light is on to tell u that one or more of about 200 possible problems has occured in the electronic engine controls or emissions controls and monitor system, this kind of leaves guessing out due to the number of poss problems so you must take the truck in and have the system tested for the troulbe code that is now stored in memory

Aug 07, 2009 | 2007 Chevrolet Silverado 1500 2WD

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