P0171 code

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Mar 15, 2013 | 07:38 PM

peter zippy reid

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From: Hamilton scotland

P0171 code

Hi guys i just fitted my new samco intake and blanked off my dumpvalve as andy f said the hose was crap and maybe dumpvalve leaking now have a bad idle any help please

Mar 15, 2013 | 08:14 PM

Inviroman

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From: Essex

Just has the same code it was a vacuum pipe off on the manifold, that code is too lean bank 1.
Check for air leaks after the MAF sensor.

Mar 15, 2013 | 08:23 PM

peter zippy reid

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From: Hamilton scotland

Yes just had a phone call telling me i have probably knocked is it pcv hose off under manifold as i didnt take manifold off to fit intake hose

Mar 15, 2013 | 08:35 PM

Inviroman

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From: Essex

If it is not stable at idle then It will most likely a vacuum leak.
mine was small vacuum hose that was the cause.

Last edited by Inviroman; Mar 15, 2013 at 08:37 PM.

Mar 15, 2013 | 08:41 PM

peter zippy reid

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From: Hamilton scotland

Thanks for the info yes not stable at idle

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