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Discussion Starter · #1 ·
Dose anyone know what is going on here. The speedo goes crazy and sometimes it bucks when it dose this.

2007 1.8 and 5 speed manual. here is a video.

The check engine light is for P0420 and it has been on forever lol.

 

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Discussion Starter · #3 ·
So it got worse on the way from home today so scanned and got 2 more codes. P1502 and B2AAA as well as P0420. So i unplugged the speed sensor and drove home just fine with out the crazy stuff. I also scanned again and have the same codes. So i am thinking it is the speed sensor malfunctioning.

It also still goes crazy while costing in neutral.
 

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Discussion Starter · #4 ·
*Update 1/12/22 I changed the speed sensor over the weekend and it is working so far and the P1502 is gone! Part Number Genuine Chrysler 5033307AC Crankshaft Position Sensor
 
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