HPOP PROBLEM/HEAD?
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Senior User
Joined: Dec 2003
Posts: 175
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From: Crosby.Tx
HPOP PROBLEM/HEAD?
my 96 stroke begin starting hard after sitting for 30+mins cold or hot and now after 3 min. i pulled the valve covers and and onthe driver side the oil return on all 4 inject. is good and steady but on the pass. it barley seaps out on all 4 when running trying to find out if the oil hose can collapse on the in side or the pump is going. runs fairly smooth considering but in gear with brake on you can diffently feel shake. has anyone has this or know of what might be going wrong thanks for all the help
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
That's usually a sign of a blown injector o-ring or two. It's bleeding off excess pressure. Get a set of Ford / International / Alliant o-rings for the injectors. Don't get the cheap ones from the parts store.
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Senior User
Joined: Dec 2003
Posts: 175
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From: Crosby.Tx
ok i did read AFTER i put it back togther to look at the base of the injector at teh head to look for oil comming out. so would this be one or a few injectors that needed and ive heard of them going out but how ofthen do they go out had the truck for 5 or 6 yrs and ive put a few injectors in it but never any o rings and thanks for the help
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Senior User
Joined: Dec 2003
Posts: 175
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From: Crosby.Tx
ok i changed out one injector with one i know is good and the oil is a little more coming out the out spouts but still real weak compared to the driver side do maltiple o-rings go bad at once or injectors and on the same side? i do want to put a guage on the oil line to compare the two sides when i did a koer test the psi said 3000 i think at idle but then again the drive side looks good at the spouts
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
That would work, but getting it inline is difficult. The easy way to do it is use one of the fittings in the oil rail on the inboard side of the head. You can remove the plug and plumb your gauge into that hole. You can also use the ICP sensor hole on the driver side for the gauge.
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Senior User
Joined: Dec 2003
Posts: 175
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From: Crosby.Tx
ok now i just need to pick up a guage. also i read on here one quik way to get air out is to drive at higher rpms so last night i ran no overdrive which is 45 mph at 2500 rpm in for about 15-20 min and when i went to back in my drive way it all of asudden felt like it started running on 7 cylinders when i check monday i hope it still is so i can maybe find my main problem
