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-   Ford Freestar (https://www.fordforum.com/forum/ford-freestar-17/)
-   -   2005 freestar codes p0401 & c1288 (https://www.fordforum.com/forum/ford-freestar-17/2005-freestar-codes-p0401-c1288-39735/)

Amanda Renee 03-25-2019 09:01 PM

2005 freestar codes p0401 & c1288
 
The check engine light came on and these codes were found.
They read as bad break switch and exhaust gas recirculation pressure sensor. Where do I find these parts to replace them?

Use Common Sense 03-25-2019 11:33 PM

The EGR pressure sensor is built into the EGR valve on the Freestar. The C1288 normally pops up for a bad Brake Pressure Switch which is on the front of the brake master cylinder.

Amanda Renee 03-26-2019 02:54 PM

Great ok. Now with the Brake Pressure Switch, is it a sensor, switch or transducer?


Originally Posted by Use Common Sense (Post 112821)
The EGR pressure sensor is built into the EGR valve on the Freestar. The C1288 normally pops up for a bad Brake Pressure Switch which is on the front of the brake master cylinder.


Use Common Sense 03-26-2019 11:23 PM

It's a screw-in Switch. It's a 15 minute job if you drink a cup of coffee. Remove the air cleaner housing and MAF sensor housing/tube for access. The sensor screws into the bottom front of the master cylinder. Just unplug the sensor, Then using an extra long 7/8 open end wrench, unscrew it (a few drops of brake fluid will come out) and screw in a new one. Ford part number is "7F2Z9F924A". It is about $15+ depending on where you purchase it.


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