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2005 Frontier 4.0 6spd 85k miles.

Changed the plugs last weekend and pulled the upper intake to access the pass side. Also cleaned the throttle body. Truck ran great, but idled around 950rpm. After a few miles the SES light came on, code P0507. I checked for vac leaks, couldn't find any, then read that this common is common after cleaning the TB. Took a few trys, but I successfully completed the TB relearn and idle came back down to 625. Reset the computer and the light was clear for two days and 250 miles. Now this morning, the light came back on.

I haven't pulled the code yet, but I'm guessing its P0507. Any ideas?
 

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This light came on for me over the weekend. Took it to the dealer and they fixed under warrenty. Said it was the throttle body chamber Assy (16119-7S001). Truck seems to run fine now, but just got back from shop this afternoon.
 

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I checked the code at lunch. Its a cat code, P0430 now. Going to reset it and see if it comes back.
 
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