How to replace throttle body in 2010 Chevy Malibu?

Q: Replaced throttle body in 2010 chevy malibu and now it will not relearn. I replaced my throttle body and can’t get it to relearn. I tried the procedure idle for 3 min, off 60 sec, idle 3 min, off 60 sec, then run for 3 min.

What kind of engine is in a Chevy Malibu?

Displacing 2.4 liters in an I4 configuration, the LUK is part of the Ecotec engine family. It is essentially the LEA Ecotec but modified for GM’s Belt-Alternator Starter (BAS) mild-hybrid drivetrain. It is available on the Buick Regal eAssist and LaCrosse eAssist as well as on the Chevrolet Malibu and Impala.

When did the GM 2.4L Ecotec come out?

The GM 2.4L Ecotec engine made its debut in 2006 and remained through 2019 in the Polaris Slingshot. 2.4 Ecotec engines are found in many Chevy, Buick, Saturn, GM, and Pontiac models. The engine offers a respectable 164-182 horsepower given its small NA design. It’s also an efficient engine that offers good fuel economy.

What kind of battery does a Chevy Malibu use?

It is available on the Buick Regal eAssist and LaCrosse eAssist as well as on the Chevrolet Malibu and Impala. The Ecotec 2.4L LUK uses a state-of-the-art lithium-ion battery system and electric motor-generator to enable regenerative braking capability to improve fuel economy by an estimated 25 percent.

Are there any problems with the Chevy Ecotec engine?

Anyways, some common problems with the GM/Chevy 2.4L Ecotec engine includes: 1 Timing chain 2 Oil consumption 3 Carbon build-up 4 Oil leaks More

What happens when you replace the throttle body?

I replaced my throttle body and can’t get it to relearn. I tried the procedure idle for 3 min, off 60 sec, idle 3 min, off 60 sec, then run for 3 min. After that i can throw it in drive and watch my rpm fall from 3000 to 800 and in park normal idle rpm. But as soon as I hit the gas my rpms go back to 3000.

How long does it take for GM throttle body to relearn?

If you don’t do a relearn procedure, the PCM will “hunt” for a new baseline idle. It will eventually learn it on its own, but it may take over a week of driving, during which time you will experience high and low idle speeds and possibly rough idle. 1) Start the engine and let it idle in park for 3 minutes.

How does the throttle plate work on a GM car?

A motor and gear reduction set inside the throttle body opens and closes the throttle plate to accomplish your request. Over time, carbon buildup can accumulate around the throttle plate, changing it’s “home” position.

If you replace the throttle body, the PCM won’t know and will continue to use the adaptive settings as if the carbon buildup is still in place. If you don’t do a relearn procedure, the PCM will “hunt” for a new baseline idle.

How to do throttle body re-Learn Chevy Malibu?

1) Start the engine and let it idle in park for 3 minutes. During that period the idle may be higher idle than normal. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. 3) Start the engine again and let it idle in park for 3 minutes one more time. During these run periods you may see a check engine light.

When to turn off the engine in a Malibu?

During that period the idle may be higher idle than normal. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. 3) Start the engine again and let it idle in park for 3 minutes one more time. During these run periods you may see a check engine light.

What can cause a bad throttle position sensor?

If you notice your fuel economy has dropped dramatically, it could be a result of an improper fuel and air mixture. Similarly, if your engine struggles to idle efficiently, it could also be a result of a damaged throttle position sensor.

When to clean throttle body 4.3L V6 position sensor?

Clean the throttle body to fix a sticky throttle on a 4.3 in a Blazer, S10, Silverado, and express. Also GMC Jimmy, Sonoma, Sierra, Savana. This applies to 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007.

What should the idle speed be on a Malibu?

4) If the idle speed is still off, drive the vehicle at speeds above 45-mph and operate several acceleration and deceleration cycles. Then repeat step #3 one last time. This should bring your idle back down to normal. Should you need further help with this, please reach out to us here at YourMechanic as we are always here to help.

How to relearn the GM throttle body procedure?

Why does my Malibu not charge the battery?

This may be a sign of a failing voltage regulator. As you know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine turns the alternator. The voltage…

Is the Accelerator sensor on the Chevy Malibu working?

GM Sued Over Chevrolet Malibu Accelerator Sensor | GM Authority General Motors faces a new lawsuit over the Chevrolet Malibu mid-size sedan and its accelerator pedal sensor that allegedly fails and cuts power while driving. Sign In Sign Up News Forum About Tip Us

How to replace throttle body in 2010 Chevy Malibu?