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LinkBack | Thread Tools | Display Modes |
01-14-2012, 04:01 PM
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HPOP res. Leaking down.
I have a 97 f250 and the HPOP Res keeps leaking down. It will not star untill you add oil through the check plug. i have done the injector o-rings in the last 5k miles. it has 175k miles it has had a new front cover and i guess a couple LPOP's prior to my purchase. Where do i start? is there a bad injector, HPOP, the LPOP not correctly set? how can i test it before i just throw parts?? Please help i dont want to go to the dealer! lol
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01-14-2012, 04:26 PM
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I know that the older ones had anti drain back valves that would go bad but idk about a 97
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01-14-2012, 04:37 PM
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Is there a way to test that or just replace???
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01-14-2012, 04:45 PM
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One way to Ck injectors is to remove valve covers. clean the oil deflectors with brake cleaner or something else. then put a rag or a piece of paper under the deflectors and let it set to see if it leaks oil. If it leaks replace that injector.
Sent from my MB860 using AutoGuide.Com Free
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01-14-2012, 05:20 PM
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ok perfect! how long are we talking to let it set? And you are talking about it leaking out of that pin whole on the injector? correct?
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01-14-2012, 05:33 PM
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If you pull the injectors for any reason you have to replace the o-ring no matter what??? And I didnt torgue the injectors when i installed them after i replace the o-rings. Should i pull them to see it any of the o-ring get to any excessive heat due to improper seating before i do anything else or will seeing if the injector leakes under the deflector tell me if the o-rings are bad???
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01-14-2012, 05:35 PM
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Could very well be the gasket between hpop and cover
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01-14-2012, 05:41 PM
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how would i ever see if it is that gasket between the cover?? Also i was getting like 18MPG AVG when i bought the truck and then after a while i started getting 13-14MPG. IDK if that helps at all?
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01-14-2012, 06:01 PM
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Let it set over night or so. The deflector I am talking about is the alum. Piece on the valley side of the injector that is held on by allen head bolt.
Sent from my MB860 using AutoGuide.Com Free
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01-14-2012, 06:04 PM
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perfect thanks alot. ill see what happends.
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