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Failed Emission test Toyata camry 1996 ,engine 2.2 failed for mil command on.diagnostic trouble shoot code p0420...

What could cause Emission results on the following? On a 1990 ford ranger with 34,000 miles what would cause an hc reading of 247 (limit is 200)...

Emission repair for honda acord ex 1998 My honda acord ex 1998 fails inspection Emission ineed average estimate to repair it

Check engine light code/po442 Small Emissions leak ,what would be a small Emission leak

I need the Emission & vacuum hose routing for 85 s-10 p-up 2.8 4spd.manual trans.diaphame Need Emission & vacuum line routing diagham for 1985 chevy s-10 p-up 2.8liter/4spd. manual...

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Question

Submitted 599 days ago...

TIDEMAN

New User (1)

Emission code

What does emission code PO440 stand for

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Answer 1 / 1 - Submitted 598 days ago...

Rick_

Expert (685)

These codes represent failure or defect in the vehicles EVAPORATIVE EMISSIONS SYSTEM it keeps harmful fuel vapors from escaping into the atmosphere. This failure can range from a loose or defective Gas Cap or its Seal, to a leak in one of the plastic tubes that run from the fuel tank to the engine compartment and a charcoal canister where fuel vapors are stored.

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