Check Engine Light/Loss of Power Due to Throttle Body Failure on Nissan Altima

The electronic throttle actuator (throttle body) can fail causing a loss of power and illumination of the Check Engine Light.

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Average mileage: 115,148 (41,000–200,000)
11 model years affected: 2002, 2003, 2004, 2005, more2006, 2007, 2008, 2009, 2010, 2011, 2012
37 people reported this problem
16 people shared problem details
2009 Nissan Altima200,000
when driving on the expressway - my car will not excelerate past 50 or 60 mpr and the speed limit is 70 - I have to pull over shut the car off wait about 5 or 10 minutes then crank it up and go (not happy at all
2003 Nissan Altima90,000
right after getting gas, throttle went bad. actually at the pump!
2007 Nissan Altima70,000
Light came on. I figured it may go off, like it was a gas cap issue. Took it to the nissan dealer paid $121.00 and they said they couldnt find anything wrong. But the code was coming up P2101 throttle body actuator. They reset the computer and cut the light off. Told me if it comes on again i would have to have the throttle body replaced. $1042 was the out the door quote. Havent gotten it fixed as of yet. Waitting to scrape up the $1000.
2007 Nissan Altima66,000
Check Engine light came on. Three days later the car would not excellerate but stayed at idle. Re-started engine and was able to dive it to the dealership. Was told it needed a new thrttle body according the Nissan. I never had such an issue with any other other cars.
Throttle body intermittently failed near new. During highway driving, engine would remain running, but at idle. Throttle had no effect. Was replaced under warranty, no furhter issue.
2003 Nissan Altima115,234
Driving then no acceleration gas pedal press on gas engine revs not moving replaced w new throdle housing runs great
2007 Nissan Altima65,000
throttle body / accelerator pedal sensor replaced throttlr body 4 times and replaced accelerator pedal sensor 2 times still not fixed really mad about it
I have not have diagnosis yet, but this too sound like the same problem I am experience. I will be getting a diagnosis to prevent this from happening again.
2004 Nissan Altima122,000
This problem has occured on 3 or 4 occasions. When idling at a stop sign or red light, there was complete loss of power and subsequently service engine light soon came on. Regained control after turning off the engine, but the scary part is it behaves as if all controls are frozen and the car rolls down on a slope without any control.
2003 Nissan Altima180,000
throttle body
loss of power, check engine light soon came on, felt hesitant
2011 Nissan Altima41,000
Car running perfect. Then "service engine soon" light and a light next to the traction warning comes on and and all acceleration is gone. Turn engine off and the restart it. Sometimes the car will go again. Sometimes not. Had the code ran and said it was the throttle pedal position sensor. So I had it replaced. Car did ok for 4 days then started doing the same thing. Eight times one day. Took it back in. Car doing ok again. Then same problem with the throttle pedal position sensor. No one has been able to fix whatever is wrong with my car. 2011 Nissan Altima. Approx 40,000 miles. ANY SUGGESTIONS ANYONE??
2010 Nissan Altima100,000
my car only have this problem when I am driving it on the interstate. It will run fine for about 20 min then the car will start losing power and will not accelerate. I have taken it to Nissan and they are telling me that they did not see anything wrong with the car. After reading the comments online I am sure this maybe the same problem but my car check engine light is not on so it maybe something different. I will not allow anyone I know to purchase a Nissan every again.
2006 Nissan Altima180,000
Nissan Sentra, not Altima - was driving fine, shut off for 5 minute errand, drove away uphill and all of a sudden would not go more than 5 miles an hour - went approx 2 miles like this, shut it off once and same thing -engine did not rev up. Restarted a day later to take it in and it drove fine to the car shop. They say throttle body control unit, total $530.
2008 Nissan Altima107,500
Had throttle body replaced at local shop only to have it happen again. Dealership charging 1100 for replacement. Not happy with Nissan about this.
2002 Nissan Altima120,000
throttle body unit went out while driving. Car would only drive at idle speed.
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