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Thrown a P1283 code after a remap


hicksi

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Hey Team, 

Happy bank holiday, hope your all well! 

 

So recently popped off to HDev for an Uprev. 

HDev Plenum 

Berk HFCS

Miltek Cat Back

 

Took the 350DE out for its first spin since driving home from HDev and threw an EML P1283. 

A/F sensor 1 (b2) 

 

From initial research looks like its either

Faulty sensor

Air Leak

 

Hdev suggested an initial reset and to monitor. As for the work, ive fit everything myself. The plenum was installed using only the gasket supplied, no RTV and all bolt torqued to spec. 

 

Whats everyones thoughts? 

 

I thought as the car has just been mapped this could be throwing the eml? Or does a tune not work like that in relation to the sensors? 

Car was driving fine for about 2 months with the plenum before the tune. Certainly no P1283 code, so im reluctant to take it all appart again. 

 

Any input is greatly appreciated 

 

Thanks team! 

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