Long crank, worse when cold

[mossimo1230]

I have a 1999 psd 7.3, great truck runs awsome but has always had a long crank, new batts new started, new I cp sensor, new hpop o rings, all new glow plugs, still has long crank..... Tried a 220$ wynns injector flush helped for some more power but not with start..... Any help would be appreciated, anything under -5 c has to be plugged in......

[Ranger87]

Maybe the glow plug relay? other than that could try a higher gear ratio starter?

[mossimo1230]

I forgot to mention I did replace that. Too....... Ford is telling me to try a ip regulator at 500 and some bucks I'm not sure Abput trying

[mossimo1230]

Just got told it could be ****ty battery's, mine test good, another psd tells me good quality battery's will fix..... Anyone have this issue

[NoRalPh]

If they were properly tested, details... details.. plz, then NO, "Good" is Good Enough to start like it's supposed to

What is the CCA on your new batteries and how did you have them tested?

Are you also saying you also put in a new starter?

Do you have a lot of miles? Did you do a compression test when you did the plugs?

A good scan should tell you how your ICP - IPR are performing, I assume Ford did that for you...