Question about Nissan Sentra

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My 1997 Nissan Sentra when at idle (like at stop sign) acts like its choking and if I don't give it gas it dies

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I post this recommendation often as most people do not know about it. Your throttle body is gunked up to kingdom come with engine grime and is sticking not allowing the proper amount of air to get into your engine.

Your specific scenario sounds like the engine computer is not able to adequately adjust air coming into the engine and if you do not rev the engine, forcing the throttle body open the engine will choke out literally and die.

CLEAN the throttle body. there is a metal flap inside that is getting stuck. Check here to see a clean throttle body

Here is the quick and dirty: Your gas pedal is hooked up to a wire or motor that turns a flap open and closed and various degrees of open and closed as you apply and take pressure off of the pedal. this flapper gets gunked up and sticks. it is the sticking that causes your car to choke and die :)

Go buy CRC Throttle Body Cleaner and remove the throttle body and spray that in there and wipe clean with a towel.

Search forums for vehicle specific instructions on how to remove the throttle body and clean it. Guaranteed you are not the only person with this issue.

I will try and help for your Nissan Sentra


1. Open the hood, look at then engine.
2. On the right side there will be an air intake tube that is black and hooked up to your air box and throttle body with hose clamps
3. Losen the hose clamp from the throttle body and remove the black air hose from it and gently move it out of the way.
--> If you do not want to remove the throttle body completely, skip to step #7
4. there will be 4 bolts holding the throttle body to the intake manifold.
5. Note any and all electrical connections to the throttle body.
6. Remove the electrical connections (unplug) and remove the bolts (4) and the throttle body should come off.
7. Spray CRC Throttle Body Cleaner all over and wipe clean with a cloth that can get really dirty.
8. Make it SHINE :) then reinstall
9. put 4 bolts back on, reconnect the electrical connections you remembered from step #5
10. Reconnect the black air hose and tighten the hose clamp...

Done!

Start the car and it should be good as new. (sort of)

-Brian

Posted on May 25, 2011

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Posted on Jan 02, 2017

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