Question about 1999 Ford F250 Regular Cab
If it is not getting power to the plugs witch it most likely isnt check your selinoids they are located on the top of the engine check and see if power is getting there and if that is all fine then you may be low on compression you can check this with no tools for blow by. when engine is running remove oil filler cap and look for puffs of white smoke if it is a consistant slight haze or little smoke that is normal but if it is poring smoke and puffing then you have one or more pistons or rings hurt. any more than a little stream of smoke is a culprit of worn out engine and needs rebuild. and if that is fine you may want to check your high pressure oil as that operates the injectors and is vary thick when cold you can also change this by taking an alen key and removing the small cap on top of the hpop (high pressure oil pump) resevior and sucking the old oil out with a seringe or another type of evacuator. then replace oil with new oil (same as what you use for engine) and then start engine run for about five minutes and do it again about three or four times. there is 3 qourts on the top of engine that run through the heads and HPOP system from navistar it was supposed to cycle throgh the bottom end oil but it never really does thats why when you change your oil and check it right after you start truck it is black again. i have more remidies but not to much more space message back if needed
Posted on Apr 27, 2010
Check for voltage going to glow plug circuit when key on, should have twelve volts during the wait period,
Posted on Apr 26, 2010
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Posted on Jan 02, 2017
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