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Failed evap test 1993 ranger - Ranger Ford Cars & Trucks

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  • chuckfom Apr 23, 2009

    evap test failed on my 93 ranger and smog guy wants to diagnose for 3 days would like advise on were to start my own diagnostics i believe filler tube on fuel tank may have hole in it as well as charcol cannister is ther any other things i need to check as well before i waste another 50 bucks on smog test?

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The most common fail is the large fuel filler hose running from the fuel filler neck to the tank. Apparently the lower molded bend cracks over time and must be replaced. Easy fix. Kinda. Unfortunately the part is something like $300 + - here in Cali at the ford dealer.

Posted on Apr 18, 2009

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Posted on Jan 02, 2017

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1 Answer

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1 Answer

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your code p1443
Control System
Canister Purge
Valve (Mechanical)
Malfunction
Monitors the fuel vapor
flow between the
engine intake manifold
and the EVAP
canister. The system
failure occurs when a
leak or blockage
between the intake
manifold, the EVAP
canister purge valve
and the EVAP canister
is detected by the
PCM.
l Pinched, blocked or
plugged fuel vapor
tubes/hoses (except
between fuel tank and
EVAP canister)
l Damaged EVAP
canister
l Disconnected, cracked
or cut fuel vapor
tubes/hoses (except
between fuel tank and
EVAP canister)
l Damaged EVAP
canister purge valve
Check for audible vacuum
noise in the engine
compartment or significant
fuel odor in the engine
compartment or near the
EVAP canister.

This link has all the codes you need.
http://rockledge.home.comcast.net/~rockledge/RangerPictureGallery/DTCs.pdf

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