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Ford Raptor Problems and Questions Forum
Mysterious problem
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<blockquote data-quote="TheJoker" data-source="post: 609042" data-attributes="member: 538"><p>When you refuel your truck the fuel vapors are supposed to be trapped and absorbed by a charcoal canister. Then, after you start the vehicle, this trapped vapors are purged back into the engine in a controlled manner. If the purge valve sticks open, the refueling vapors can pour into the air intake and flood the engine, making starting difficult. It's called "On-board Vapor Recovery System"</p><p>My first guess would be -- after making sure all the evap and vacuum hoses are in place and the electrical connectors seem to connected -- check the operation of the fuel vapor valve assembly part # 9L3Z 9E730 and the canister purge valve.</p><p>TSB 12-3-10</p></blockquote><p></p>
[QUOTE="TheJoker, post: 609042, member: 538"] When you refuel your truck the fuel vapors are supposed to be trapped and absorbed by a charcoal canister. Then, after you start the vehicle, this trapped vapors are purged back into the engine in a controlled manner. If the purge valve sticks open, the refueling vapors can pour into the air intake and flood the engine, making starting difficult. It's called "On-board Vapor Recovery System" My first guess would be -- after making sure all the evap and vacuum hoses are in place and the electrical connectors seem to connected -- check the operation of the fuel vapor valve assembly part # 9L3Z 9E730 and the canister purge valve. TSB 12-3-10 [/QUOTE]
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