throttle body

joshlee1992

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was out making test passes and after the second test pass i noticed all the lights come on the dash. The wrench light came on and the steering became loose. air bag and gas light came on as well. cut the car off and checked for any codes and none popped up. so i unplugged the battery and reprogrammed the tune on the car. Everything seemed fine until i left for home and everything came on and even noticed the miles and messages where deleted like it was not registering anything. half way home i came to a stop and noticed the rpms rise to 3k and drop to about 1800/2000 and raise back up to 3k again. any advice on what could be the issue?




2012 5.0 with headers, jlt cai, and tune. mt82
 

stkjock

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check the battery and alternator.
 

stkjock

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so you installed a new TB and then the issues occurred?

the OP doesn't make that clear at all
 

joshlee1992

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no. haven't touched the tb since thursday night when i took the tb spacer off and then this happened saturday night. so it drove fine all day friday and now i'm taking the tb off to see if thats the issue or not
 

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