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: 117,720 (65,000–200,000)
10 model years affected: 2002, 2003, 2004, 2005, more2006, 2007, 2008, 2009, 2010, 2011
31 people reported this problem
13 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
6 people like thisFlag inappropiate
2003 Nissan Altima90,000
right after getting gas, throttle went bad. actually at the pump!
5 people like thisFlag inappropiate
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.
5 people like thisFlag inappropiate
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.
3 people like thisFlag inappropiate
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.
3 people like thisFlag inappropiate
2003 Nissan Altima115,234
Driving then no acceleration gas pedal press on gas engine revs not moving replaced w new throdle housing runs great
2 people like thisFlag inappropiate
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
2 people like thisFlag inappropiate
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.
1 person likes thisFlag inappropiate
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.
1 person likes thisFlag inappropiate
2003 Nissan Altima180,000
throttle body
1 person likes thisFlag inappropiate
loss of power, check engine light soon came on, felt hesitant
1 person likes thisFlag inappropiate
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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