long crank problem.

[thomas7.3psd]

I see there is not much traffic here but ill give it shot for some help.

i have a 02 7.3, it cranks over 2-3 times longer than it should when the truck has been off longer than 12 hours. when the truck is warm its fine. i checked the oil level in the hpop and it was 7/8 of an inch from the top wich i understand is ok and the hpop should not be bleeding off. i aslo dont have any oil or fuel in my antifreeze. im trying to rule out the injector cups/ O rings and leaning more towards glowplugs or ipr or? looking for some ideas thx.

[koryb]

I am currently dealing with the same type if issue with a friends 02 7.3 pretty much exact complaint your having , I have not been able to figure it out yet. I pulled the glow plugs today and all four are working , even checked it through the valve cover/wire harness, to make sure no wire issues. if we leave the truck unplugged from the block heater overnight , even in 60-70 degree summer days , it still won't start, if he gives it a small shot of ether, it will start, but it runs like it is not getting fuel. absolutely no throttle response , until engine temps comes up , then it will slowly clear out. If we unplug the EOT sensor it will default the reading to the PCM and truck will take off like a raped ape. has me confused big time !

[thomas7.3psd]

sorry didnt realize you replied. Im still dealing with this issue mostly becouse i havnt had a chance to take it to a shop but i checked the batteries/ connections and the glow plug relay.all ok..ive been told from members on other site, its the injector O-rings and i think it may be that but i want to get it to a shop to confirm it. have you figured it out yet? thx

[Isakson]

yeah i would say its injector o rings, btw kory b, thest trucks have 8 glowplugs not 4.

[koryb]

Yeah . what I meant was one side at a time " pulled 4 per head" thanks ..

No I haven't figured out my issue , Sat. it started perfect, Sunday Monday started perfect . then today back to square one . SOB it is irritating .

[shuswapbrent]

I was just doing some glow plugs in a 95 when 3 broke on one bank. replaced head with used,did injector o-rings and all glowplugs and now seems like excessive blow by out of dipstick tube. Injector o-rings ???? we had new valves put in the used head and had all the seats done. do you thing that the increased compression could cause more blow by. engine has approx 120000miles. maybe cheap o-ring kit??

[shuswapbrent]

oh yeah also has a long crank now before it starts but runs really nice once started.any ideas?