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Mini Cooper 1.6 2006 - Lean/ Rich, Codes 2AC2, 2AC4 & 2B15 #

Posted by Jason Byrom on January 14, 2015, 11:27 am

Year of Manufacture *: 2006
Engine Size and Code *: 1.6
( Optional ) Scanner Used: KTS
( Optional) Fault Codes: 2AC2 2AC4 2B15

Hi all, Mini Cooper 1.6 (Peugeot engine)

Fault codes:
2AC2 Lean mixture (Fault count 24)
2AC4 Rich mixture (Fault count 20)
2B15 Manifold pressure to high (Fault count 1)

Carried out am inlet smoke test no leaks found.

Bit stuck in a direction to go, had a brief look at live data, all seems ok.

Suggestions welcome.

Thanks, Jason

Re: Mini Cooper 1.6 2006 - Lean/ Rich, Codes 2AC2, 2AC4 & 2B15

Posted by Shane gray <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=ukat3442' width='330' height='300' border=0 style='border:none;'> on January 14, 2015, 8:47 pm, in reply to "Mini Cooper 1.6 2006 - Lean/ Rich, Codes 2AC2, 2AC4 & 2B15 "
Shane Gray

Hi,
What are the fuel trim figures in live data? also is the front O2 sensor switching between 0.1 to 0.9 within 1 sec intervals when in closed loop conditions? What's the rear 02 reading? What are the emission figures at idle and fast idle? What's the MAP sensor and MAF sensor reading at idle and high Rev ?
Fuel pressure and flow ?
Shane

Re: Mini Cooper 1.6 2006 - Lean/ Rich, Codes 2AC2, 2AC4 & 2B15

Posted by Declan McCormack <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=ukat3227' width='330' height='300' border=0 style='border:none;'> on March 2, 2015, 8:00 pm, in reply to "Re: Mini Cooper 1.6 2006 - Lean/ Rich, Codes 2AC2, 2AC4 & 2B15 "
Declan McCormack

Have seen a couple of minis now throwing O2 codes due to timing out to a stretched chain, new chains fitted and happy lambda readings

Re: Mini Cooper 1.6 2006 - Lean/ Rich, Codes 2AC2, 2AC4 & 2B15

Posted by Shane gray <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=ukat3442' width='330' height='300' border=0 style='border:none;'> on March 21, 2015, 1:12 pm, in reply to "Re: Mini Cooper 1.6 2006 - Lean/ Rich, Codes 2AC2, 2AC4 & 2B15 "
Shane Gray

Why ask a question and then not reply?

Shane

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