How long is your crank?

[redshift]

I have a new 2006 powerstroke. Since day one it has been slow to fire. Maybe it's only 2-3 seconds but it seems rather long. My Jetta diesel barely make one revolution before it fires.

I am waiting for the glow plug light to go out. it always starts, I'm concerned that the long crank time will be a problem in the winter.

Any words of wisdom?

[super_stroke]

i don't think its anything to worry about. mine cranks for a few second's too. as far as winter, i couldnt plug my truck in at all for two winter's. it wouldnt start only one time. so i cranked it for a few seconds, let it sit for a few and cranked it again let it sit a few. finaly started. there really isnt a point in telling you that other than don't worry about. if you are worried, have you asked the dealer?

[trhland]

mines the same way .sometimes it takes longer then other times

[ndurbin]

The reason a PSD well take longer to crank is off how the fuel injectors are set up. As they are fired off of high PSI oil and it takes acouple cranks for the HPOP to develope the needed PSI to fire. It should fire slower in the summer and alil faster in the winter (as the oil is thicker and will build PSI faster when cold).

[mschn99]

Originally Posted by ndurbin

The reason a PSD well take longer to crank is off how the fuel injectors are set up. As they are fired off of high PSI oil and it takes acouple cranks for the HPOP to develope the needed PSI to fire. It should fire slower in the summer and alil faster in the winter (as the oil is thicker and will build PSI faster when cold).

EXACTLY right!!!

[Clay Henry]

In really cold weather if you wait till after the glowplug light goes out and THEN wait even longer till you hear that noise stop...i guess it's the fuel pump pressurizing - takes 30 seconds maybe. Then turn the key off and do the whole cycle again, then start it and it will bust right off every time. I'm talking like below 0* temps. The glowplugs stay on even after the light goes out if I'm not mistaken so given that extra time to heat up things helps alot. This is the case in any weather actually.

[ndurbin]

Originally Posted by CHenry

In really cold weather if you wait till after the glowplug light goes out and THEN wait even longer till you hear that noise stop...i guess it's the fuel pump pressurizing - takes 30 seconds maybe. Then turn the key off and do the whole cycle again, then start it and it will bust right off every time. I'm talking like below 0* temps. The glowplugs stay on even after the light goes out if I'm not mistaken so given that extra time to heat up things helps alot. This is the case in any weather actually.

I believe, I could be wrong tho, that they stay on (keep cycling) when the ambient temps. are below a certain temp. and the vehicle is stopped or under 15 mph. My memory is alil fuzzy so I don't know if all of that is true.

[super_stroke]

Originally Posted by CHenry

In really cold weather if you wait till after the glowplug light goes out and THEN wait even longer till you hear that noise stop...i guess it's the fuel pump pressurizing - takes 30 seconds maybe. Then turn the key off and do the whole cycle again, then start it and it will bust right off every time. I'm talking like below 0* temps. The glowplugs stay on even after the light goes out if I'm not mistaken so given that extra time to heat up things helps alot. This is the case in any weather actually.

thats what i had to do. but still took a while. probably need a few(glow plugs) new uns. well see what happens this winter.

[mschn99]

Originally Posted by ndurbin

I believe, I could be wrong tho, that they stay on (keep cycling) when the ambient temps. are below a certain temp. and the vehicle is stopped or under 15 mph. My memory is alil fuzzy so I don't know if all of that is true.

no nate, they time out at a maximum of 90 seconds and never turn back on untill the next key cycle. Your thinking of the air intake heater....

[ndurbin]

Originally Posted by Marc

no nate, they time out at a maximum of 90 seconds and never turn back on untill the next key cycle. Your thinking of the air intake heater....

Ah well 1 outta 2 aint bad for a Cummins guy............