99 Honda Accord EX DTC code P1456

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Chris1019 - 22 Mar 2006 02:11 GMT

I had Advance Auto give me this code P1456 from an OBDII unit. Under the
code it says Manufacturer Contrl. Auxiliary emission Controls. It does'nt
specify or pinpiont the problem.Please Help!

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M.Paul - 22 Mar 2006 17:02 GMT

Some (or all?) of the 99 Accords have had their emissions related warranty
extended to 100K miles by Honda due to an EGR problem.

> I had Advance Auto give me this code P1456 from an OBDII unit. Under the
> code it says Manufacturer Contrl. Auxiliary emission Controls. It does'nt
> specify or pinpiont the problem.Please Help!

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High Tech Misfit - 22 Mar 2006 23:02 GMT

> Some (or all?) of the 99 Accords have had their emissions related warranty
> extended to 100K miles by Honda due to an EGR problem.

I believe this applies to V6 models only.

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TeGGeR® - 22 Mar 2006 20:48 GMT

> I had Advance Auto give me this code P1456 from an OBDII unit. Under
> the
> code it says Manufacturer Contrl. Auxiliary emission Controls. It
> does'nt specify or pinpiont the problem.Please Help!

P1456 is probably the gas cap. Try tightening it six clicks, then wait a
few days.

The official description:
P1456 Evaporative Emissions (EVAP) Control System Leakage
(Fuel Tank System)

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TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

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