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Throttle body What's it for

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  • Cars & Trucks Master
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Depending on the make model and year, it should be a connection for a vac hose.

Posted on May 03, 2013

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SOURCE: Throttle body on jetta 4 2.0, I've replaced air flow meter, fuel pump, throttle body and temp switch, it's now reporting a fault saying signal to large.

sounds like throttle body not fitted correctly or needs adjustment of idle sensor or idle speed control

Posted on Nov 15, 2012

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Po121 on a 2007 tahoe 4x4 how do u check it


It requires that you use a scanner. Try this clean throttle body with a good throttle body and tooth brush. I unbolt the throttle body and remove the studs from the intake that way u don\'t have to remove the coolant hoses from the throttle body.clean all the black goop off the plate and the inside of the body. Clear codes reassemble and start

Feb 01, 2014 | Chevrolet Cars & Trucks

1 Answer

Not shifting past 2900 rpm


when the garage replaced the throttle body ,what did they replace .there is 2 sensors on the throttle body. 1 is the idle air control valve and the other is your throttle position senor. it sounds to me your have a transmission problem. are there any codes

Dec 09, 2012 | Cars & Trucks

1 Answer

How to replace the throttle cable on 1996 sinfire


InstructionsThings You'll Need
  • Mechanic's toolset, including a full socket set, wrenches and screwdrivers
  • Torque wrench
  • Clean shop cloths
  • Replacement gasket
    • 1

      Take out the air cleaner resonator. Disconnect the harness connectors for both the idle air control and the throttle position sensor. Label and then remove all the vacuum hoses from the throttle body.

    • 2

      Remove the bracket and the cables for the accelerator control from the throttle body. Loosen and remove the throttle body fasteners.

    • 3

      Lift the throttle body off the manifold. Remove the throttle body gasket and inspect it carefully. Replace the gasket as needed or re-install the old gasket to the throttle body after cleaning all the mating surfaces thoroughly.

    • 4

      Set the throttle body on the manifold and finger-tighten the fasteners. Torque the bolts to 89 inch pounds.

    • 5

      Install the cables and bracket for the accelerator cable, then reconnect the vacuum hoses. Reconnect the harness connectors for the throttle position sensor and the and idle air control valve, then replace the air cleaner resonator.

    • 6

      Depress the accelerator pedal to test its movement and to assure that there is no binding. Press the pedal to the floor one time then release it. Make the necessary adjustments.

Jan 11, 2012 | 1996 Pontiac Sunfire

2 Answers

How do i clean the throttle body on a 2006 montana sv6? and where is it. thanks


the throttle body is where the black round air recieving hose that goes to the throttle body which is on top of the engine, it normally has 2 medium size metal bands, 1 on each end, that tightened up or loosen. " in order to get to the throttle body, loosen the bands with a screwdriver, then remove the hose,then , you can clean the throttle body, with a throttle body spray cleaner, that you can purchase at a auto parts store.

Jun 24, 2011 | 2006 Pontiac Montana SV6

1 Answer

What would cause engine stall when parked or idle with ac on?


I take it that you recently had the battery disconnected or replaced? If so, easy $4 fix for a bottle of sensor safe throttle body cleaner. It's your dirty throttle body which is very common for our trucks. Your computer learned some bad habits, so when you hooked the battery back up, it thought the throttle body was functioning properly.

Unhook the battery again. Take the plastic resonator off the top of the engine. Remove the hoses and unhook the electrical connectors. Unbolt the throttle body (4 bolts), carefull, don't let them fall down by the intake, hard to find, so keep a magnet near by (been there done that). Remove the electrical connector from the throttle body. Need the spray bottle of cleaner ( I like Seafoam spray) and drench everything. Can use a toothbrush for some elbow grease, take your time and make sure it's nice and shiny. Hook everything back up, then hook your battery back up. Drive around for 20 minutes or so with all accessories off so the computer can re-learn a properly functioning throttle body. This will fix your problem and should take 30 to 60 minutes to do yourself. Look forward to better gas mileage and better throttle response when clean. Throttle body should be cleaned at least once a year, because we don't have a traditional PCV valve, so our TB tends to gum up fast.

Jun 15, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

I changed the batery and the spark plugs on my 2003 trailblazer but now when I turn on the ac the rpm needle drops and the truck turns off. What can I do to solve this problem?


$4.00 fix Unhook the battery and clean the throttle body with throttle body cleaner, should be nice and shiny. When finished, hook battery back up and drive around for 5 miles or so with all accesories off so the computer can relearn a properly functioning throttle body.
The computer or PCM learned some bad habits with that dirty throttle body, so when you changed the battery, computer thought the TB was clean, and you'll have idle problems with the AC or defrost on.

Important note.....do not use carb cleaner or brake cleaner, will harm sensors, use sensor safe cleaner or one marked for throttle bodies. I just bought a can today for $3.99, I'm over due to clean mine as regular maintenence. We don't have a traditional PCV valve, so our throttle bodies get gunked up faster than others. Should clean once a year or more depending on driving habits.

If you can change our plugs, you can do this....dealer charges around $85-$100

May 27, 2011 | 2003 Chevrolet TrailBlazer

2 Answers

How do you clean the air intake throttle on a 2005 Ford Freestyle?


if its drive-by-wire, remove the intake pipe to the throttle body. have someone get into the driver's seat, turn the ignition ON, and leave ENGINE OFF! have the driver put the acclerator pedal all the way down to the floor as that will open the throttle bodys butterfly valve. Now grab a rag, spray some carb cleaner on the rag and wipe that throttle body's insides clean! be sure whoever is in the drivers seat with there foot on the gas does not let go while your hands are in the throttle body as it can pinch and it does hurt! hope I helped, please rate!

May 12, 2011 | 2005 Ford Freestyle

1 Answer

1996,Silveroda,4.3L V6,1/2 Ton,2WD,5Spd. Engine: slow(5sec.) to return to idle speed.Example; When shifting from first to second and third to fourth etc. the RPM 'hangs' at 2200RPM for...


try this remove the throttle cable from the throttle body and re-ve the engine with the just the linkage on the side of the throttle body if the engine responds like it should replace the throttle cable if the throttle still sticks then replace the throttle body......good luck

let me know how it come out.

May 09, 2011 | Chevrolet Silverado 1500 Cars & Trucks

2 Answers

2004 pontiac aztek thermostat replacement? overheated today. never done it before. mileage is 64000, 3400 engine


The thermostat is located behind the metal housing that is bolted to the intake manifold on the drivers side of the engine below the throttle body.

There are 2 bolts holding the hosing on. A 13mm swivel socket and a 13mm wrench will be needed to remove the bolts.

Sometimes it is easier to remove the throttle body if it is your first time. It will let you see what you are doing a little better.

1. remove the air cleaner cover and hose attached to the throttle body.
2. remove the throttle body (optional)
3. Using a swivel socket and wrench remove the 2 bolts holding the thermostat housing from the intake manifold.

airjer995_36.jpg

Jan 30, 2011 | 2004 Pontiac Aztek

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