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How to Troubleshoot Codes P0122 and P0456

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Published on Dec 2, 2012

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Alright here is a classic case of a throttle position sensor failing in a Jeep tj or yj code p0122. Usually when a throttle position sensor fails completely you can have issues with rough running or other drivability issues. But in my case the sensor never failed completely but just starting to act up randomly. This code came out of nowhere and didn't affect my drivability at all what so ever. At this point i just cleaned it up and inspected it and reinstalled. If i get any more issues i will replace the sensor, in another video I do actually change the sensor and it's been almost 2 months with no issues. as far as the p0456 code I am blaming it up to overfilling my gas tank and not putting my fuel cap on properly, as it's been 3 months and no issues

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