Question about 2006 Chevrolet Trailblazer

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Need to clean throttle body on 06 trailblazer?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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ryanlutton
  • 1131 Answers

SOURCE: I went to a local

Definitely clean that throttle body...can do it yourself for around $7.

Instructions for doing it without removing the throttle body.

1. Disonnect the battery....very important so your stepper motor isn't ruined when moving the butterfly.
2. Remove the plastic resonator on the top of the engine (The black piece that says 4200 on it)
3. Remove the large rubber hose from the throttle body.
4. Clean away, with throttle body cleaner or Seafoam, I just use the blue shop towels to clean in there. Could use a plastic bristle brush also for more elbow grease. Be very careful, as the butterfly will cut you very easily, very sharp edges. Make sure you get all the gunk out of there, including any edges of gunk that may have formed, preventing the butterfly from opening and closing properly. Needs to be nice and shiny.
5. Hook the resonator and hoses back up, don't forget the little pcv hose on the front right corner of it.
6. Hook the battery back up and drive around for 20 minutes or so with all accesories OFF. The computer will relearn a properly functioning throttle body at that point.
7. Enjoy a little bettery gas mileage and horsepower


As far as the injector cleane....Buy a $10 can of Seafoam, that will clean the injectors. Look on Youtube on how it works, good stuff.

Posted on Feb 21, 2011

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MNfisherman
  • 11896 Answers

SOURCE: Where is the throttle body on a 2006 Trailblazer

The throttle body is the box connected to the intake manifold. It is connects the air intake system to manifold. You will see your throttle cables connected to it. There should be four bolts to remove it. It will also have a paper gasket it so remove carefully. You can use carb cleaner to spray it out and let air dry. Or use lint-free cloth

Posted on Apr 14, 2009

drsinister69
  • 2317 Answers

SOURCE: need to clean out throttle body on 2002 chevy

I would use Gumout and an old toothbrush, usually works good to get the carbon for the throttle plate and throttle body.

Posted on May 23, 2010

bonedivers
  • 1140 Answers

SOURCE: 06 chevy trailblazer with fault

DTC P0506

CIRCUIT DESCRIPTION

The throttle actuator control (TAC) motor is controlled by the engine control module (ECM). The DC motor located in the throttle body drives the throttle plate. In order to decrease idle speed, the ECM commands the throttle closed reducing air flow into the engine and the idle speed decreases. In order to increase idle speed, the ECM commands the throttle plate open allowing more air to pass the throttle plate. If the actual idle RPM does not match the desired idle RPM within a calibrated time, this DTC sets.

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC P0506 Idle Speed Low

CONDITIONS FOR RUNNING THE DTC
- DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0120, P0122, P0123, P0171, P0172, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0121, P0222, P0223, P0230, P0300, P0336, P0442, P0446, P0449, P0452, P0453, P0455, P0462, P0463, P0496, P1516, P2101, P2135, P2176 are not set.
- The engine is operating for at least 60 seconds.
- The engine coolant temperature (ECT) is more than -60°C (-140°F).
- The intake air temperature (IAT) is more than -10°C (-14°F).
- The barometric pressure (BARO) is more than 65 kPa.
- The system voltage is between 9-18 volts.
- The vehicle speed is less than 1.6 km/h (1 mph).
- DTC P0506 runs continuously when the above conditions are met.

CONDITIONS FOR SETTING THE DTC
- The actual idle speed is approximately 100 RPM lower than the desired idle speed.
- The above condition is present for 5 seconds.

ACTION TAKEN WHEN THE DTC SETS
- The control module illuminates the malfunction indicator lamp (MIL) on the second consecutive ignition cycle that the diagnostic runs and fails.
- The control module records the operating conditions at the time the diagnostic fails. The first time the diagnostic fails, the control module stores this information in the Failure Records. If the diagnostic reports a failure on the second consecutive ignition cycle, the control module records the operating conditions at the time of the failure. The control module writes the operating conditions to the Freeze Frame and updates the Failure Records.

CONDITIONS FOR CLEARING THE MIL/DTC
- The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail.
- A current DTC, Last Test Failed, clears when the diagnostic runs and passes.
- A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other emission related diagnostic.
- Clear the MIL and the DTC with a scan tool.

TEST DESCRIPTION

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The number below refers to the step number on the diagnostic table.
2. This test determines whether the engine can achieve the commanded RPM. If the engine does not reach the commanded RPMs, the test determines whether the RPM is too high or too low.
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Posted on Jun 03, 2011

  • 67 Answers

SOURCE: My 2000 Isuzu Rodeo shuts

what code is coming up on the check engine light?

Posted on Aug 21, 2011

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1 Answer

Trailblazer loses power. changed the o2 sensors, secondary air injection pump check valve,transmission oil an filter,an fuel filter. what other thing can be wrong


Hmm, I thought the fuel filter on 05' was on the pump in the gas tank. Must of started that in 06', mine is in the tank which sucks, my older 02' is external. Have you cleaned your throttle body? If not, likely this is your problem. We don't have a pcv system so our throttle bodies collect lots of carbon and gunk. Remember to unhook the batter while you remove the tb. 4 bolts, and you can reuse your hard gasket many times over. I like using Seafoam spray and rag to clean as it's sensor safe.

Mar 28, 2014 | 2005 Chevrolet TrailBlazer LS

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The throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean. Make sure to clean the front and back sides of the throttle body. Also, disconnect the battery during the cleaning process to allow the computer to reset and relearn to the cleaned throttle body.

Nov 10, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

Why does my trailblazer stall when using the defroster?


The throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean. Make sure to clean the front and back sides of the throttle body. Also, disconnect the battery during the cleaning process to allow the computer to reset and relearn to the cleaned throttle body.

Oct 19, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

2003 chevy trailblazer engine dies when ac/heater switch is turned on but blower motor is unpluged


The throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean. Make sure to clean the front and back sides of the throttle body. Also, disconnect the battery during the cleaning process to allow the computer to reset and relearn to the cleaned throttle body.

Oct 13, 2012 | 2003 Chevrolet TrailBlazer

1 Answer

Why is my trailblazer cutting off at red lights.,the idle drops real low


You need to have the throttle body cleaned, make sure that both the front and rear sides are cleaned thoroughly. While it is being cleaned, the battery should be disconnected so that the computer will be reset and relearn with a clean throttle body.

Aug 12, 2011 | 2006 Chevrolet Trailblazer

1 Answer

Engine idle changes when I turn on the A/C in my 2004 TrailBlazer


Throttle body needs cleaning, the cleaning process needs to be done on the front side and especially the back side of the throttle body. Also, while doing the cleaning, the battery should be disconnected to allow the computer to reset and relearn to the clean throttle body.

Jul 22, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

I went to a local repair shop because my check engine light is on. I have a 06 Chevy Trailblazer. The codes were P1400 and P0506. They recommended a fuel injection cleaning and clean the throttle body...


Definitely clean that throttle body...can do it yourself for around $7.

Instructions for doing it without removing the throttle body.

1. Disonnect the battery....very important so your stepper motor isn't ruined when moving the butterfly.
2. Remove the plastic resonator on the top of the engine (The black piece that says 4200 on it)
3. Remove the large rubber hose from the throttle body.
4. Clean away, with throttle body cleaner or Seafoam, I just use the blue shop towels to clean in there. Could use a plastic bristle brush also for more elbow grease. Be very careful, as the butterfly will cut you very easily, very sharp edges. Make sure you get all the gunk out of there, including any edges of gunk that may have formed, preventing the butterfly from opening and closing properly. Needs to be nice and shiny.
5. Hook the resonator and hoses back up, don't forget the little pcv hose on the front right corner of it.
6. Hook the battery back up and drive around for 20 minutes or so with all accesories OFF. The computer will relearn a properly functioning throttle body at that point.
7. Enjoy a little bettery gas mileage and horsepower


As far as the injector cleane....Buy a $10 can of Seafoam, that will clean the injectors. Look on Youtube on how it works, good stuff.

Feb 14, 2011 | 2006 Chevrolet Trailblazer Ext

1 Answer

Have a 2004 trailblazer that will not idle when air or defrost is on.Help Please.


The throttle body needs cleaning, the butterfly and surrounding area have built up deposits that prevent the butterfly plate from closing all the way. The air inlet tube needs to be removed from the throttle body (TB) and the plate and the surrounding surface cleaned with Throttle Body spray cleaner. Make sure to disconnect the battery for about 30 minutes when doing this cleaning in order to reset the computer and allow it to relearn with the freshly cleaned TB.

Sep 10, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

My 2004 trailblazer is trying to cut off when i turn on the air conditioner when i either stop or slow down.


Needs to have the throttle body and throttle plate cleaned. While cleaning is being done, disconnect battery for about 30 minutes, this will cause computer to relearn to the freshly cleaned throttle body.

Aug 07, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

Need to clean out throttle body on 2002 chevy trailblazer


I would use Gumout and an old toothbrush, usually works good to get the carbon for the throttle plate and throttle body.

May 23, 2010 | 2002 Chevrolet TrailBlazer

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