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SportTrac Discussion
Engine & Drivetrain
Emissions leak/gas cap issue
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<blockquote data-quote="Bob Floyd" data-source="post: 1013714" data-attributes="member: 70385"><p>The evap self test takes a long time and several different drive cycles to run, hi way, Idles and city driving and the vehicle needs to be fully warmed up so that explains why it takes so long to pop up also it needs to fail more then once to set the light. My guess is when you change the shocks you created a leak in the evap canisters or a hose from the engine back to the evapcanisters. Make sure everything is connected all hoses and the electical connections at the cansister vent. If the vent valve is stuck it will never quit showing the code. When the test runs it closes the canister vent and opens the canister purge to create a vacumme on the fuel tank and canister. If it wont hold or get up to the set ammount of vacumme it will set a code. Hope this helps</p></blockquote><p></p>
[QUOTE="Bob Floyd, post: 1013714, member: 70385"] The evap self test takes a long time and several different drive cycles to run, hi way, Idles and city driving and the vehicle needs to be fully warmed up so that explains why it takes so long to pop up also it needs to fail more then once to set the light. My guess is when you change the shocks you created a leak in the evap canisters or a hose from the engine back to the evapcanisters. Make sure everything is connected all hoses and the electical connections at the cansister vent. If the vent valve is stuck it will never quit showing the code. When the test runs it closes the canister vent and opens the canister purge to create a vacumme on the fuel tank and canister. If it wont hold or get up to the set ammount of vacumme it will set a code. Hope this helps [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Emissions leak/gas cap issue
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