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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 05-31-2013, 08:51 PM
TheGageinator TheGageinator is offline
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what is this?

What is this thing? Looks like a sensor or solendoid that has one vacuum line to the TB and one line to the vacuum canister. There is a slight hissing coming from it. Click the image to open in full size.
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Old 05-31-2013, 08:53 PM
TheGageinator TheGageinator is offline
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My truck sometimes dies right after starting. If I give it some gas it will stay running fine. I was thinking maybe this thing was leaking and the vacuum leak caused the truck to die?
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Old 05-31-2013, 09:33 PM
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mpc07005 mpc07005 is offline
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Vapor Canister Purge Valve. Doubt it's causing your dying issue, as I believe its just upstream of measurement points depending on year (IIRC).

-Mike
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Babe; 1993 F-250XL (HD) Supercab 4x4 K3(Bimini Blue), Long bed, Windsor 351 SD, ZF S5-42LD, BW1356, Dual Tank, Dana 60 SAS, Saginaw Swap, Sixliter tune up, Real Oil Pressure, Pacesetter 70-2221's, Crane 444232, Roller Rockers, ARP head studs, Thrush Welded muffler, Galaxy DX939 (Handle: Phlox). Pics: http://s1241.photobucket.com/albums/gg517/Phlox_de/
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Old 05-31-2013, 09:46 PM
TheGageinator TheGageinator is offline
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My truck is a 1994 . can I block off this thing at the TB and leave the electrical connector on?
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Old 05-31-2013, 11:52 PM
TheGageinator TheGageinator is offline
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I found my answer on the inter web. Thank you for telling me what that Thing was. I found out that is used to burn the built up fuel tank vapors through the tb. If the vapors do not get released, bad stuff will happen. I am going to block off the hole at the throttle body and just vent the canister to the open air until I buy a new solenoid
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Old 06-01-2013, 07:28 AM
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mpc07005 mpc07005 is offline
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For the dying, check your Idle Air Control, Throttle Position Sensor, Fuel Pressure, Engine Coolant Temperature sensor, Manifold Air Pressure, thermostat, and maybe you Air Charge Temperature sensor, in that order. oldfuelinjection.com has testing procedures for the sensors.

-Mike
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Babe; 1993 F-250XL (HD) Supercab 4x4 K3(Bimini Blue), Long bed, Windsor 351 SD, ZF S5-42LD, BW1356, Dual Tank, Dana 60 SAS, Saginaw Swap, Sixliter tune up, Real Oil Pressure, Pacesetter 70-2221's, Crane 444232, Roller Rockers, ARP head studs, Thrush Welded muffler, Galaxy DX939 (Handle: Phlox). Pics: http://s1241.photobucket.com/albums/gg517/Phlox_de/

Last edited by mpc07005; 06-01-2013 at 07:34 AM. Reason: De-acronymed
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Old 06-01-2013, 11:03 AM
TheGageinator TheGageinator is offline
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Thanks man I will check those! I will update when I figured it out
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Old 06-01-2013, 11:03 AM
 
 
 
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