Code P1126

I have a 2002 Tundra with almost 300,000 miles on it. For her age she runs well except for the last few weeks. I've noticed that it seems to not be accelerating like it should or is sometimes (for lack of better description) sluggish. Then 2 days ago the check engine light came on and I had it checked and it was a P1126 code. I know I should check the magnetic clutch circuit for a short or bad connection but I'm a chick and don't know where that is lol. any help would be appreciated. Also if I end up needing to replace the throttle body all together where could I find a genuine 2002 tundra part so I can install in myself? (can't afford a mechanic)

 

@Roman parts guy, hope y'all get issue fixed soon

 

If you end up needing a new throttle body, it can be purchased from here:

https://parts.toyotaofcoolsprings.com/oem-parts/toyota-throttle-body-2203050142

 

Thanks, that looks like a reasonable price

 

Hello and welcome to the party!

This might not fix all the issues your having but have you ever tried cleaning your MAS sensor?
I find that with high mileage vehicles that the MAS sensor is always over looked..
I my experience I have been able to "bring back some life" into high mileage vehicles. The MAF detects how much air is coming in and determines how much fuel is needed.. When you take it out you wont really be able to see the dirt with the naked eye and it'll "look" clean.
Try cleaning the MAF and the throttle body to see if that helps.
Once completed you might want to "RESET" the ECU by disconnecting the battery for about a minute or so. Should take about 50 miles fo your ECU to learn/adjust.
Cheap and easy to do and might be the answers to your issues.

Take pictures if/when you do this!! I'd like to see how dirty the throttle body is..


These are the cleaning agents you'd want to use.

https://www.walmart.com/ip/CRC-MAF-...XasvjHeGdDMAsA3I1FiK_fk_6CyQDg5BoC_3sQAvD_BwE


Video of MAF cleaning

https://www.youtube.com/watch?v=lbI-GQObduk



Throttle Cleaning

https://www.youtube.com/watch?v=a3exL-VH3Hg

Hope this helps..
Keep us posted

 

Thanks challenge1. I had a P1126 code. Instead of spending hundreds of $$ on replacing the throttle body assembly.
Cleaned the MAF, reset the ECU (removed battery terminal for about a minute).
No more check engine light!

 

That’s great news!
Glad I was able to help!