glow plugs

[frank360]

i tested my glow plugs and they are good so the next thing i did is put a battery charger to the battery and put it on 125 amp engine start and heated glowplugs up for 25 seconds and it started right up and ran for 20 seconds and stop it and tryed again without charger and it started no problem.

 

[RockyMtDan]

Does that mean we fixed it or there wasn't anything wrong! /forums/images/graemlins/confused.gif

 

[frank360]

seems like iam not geeting the right power to glowplugs,no it's not fix there's something wrong somewhere it heats plugs beter with charger set @ 125 engine start and spins engine a little faster.

 

[RockyMtDan]

Maybe just a battery problem that you talked about in your earlier post when you said it only showed 10v.

 

[frank360]

I tried a battery out of my truck no change

 

[RockyMtDan]

A weak starter will not turn a diesel eng. fast enough to get the compretion nessary to ignite the fuel. maybe?

 

[frank360]

had starter tested at starter shop it is good.

 

[Highgear]

Running the glow plugs for 25 sec. is an awful long time . If they are ok now , they soon will not be ! Could be the differance in summer and winter fuel! I have a F-450 Diesel truck with dual batteries and if one is bad and does not turn the engine over fast enough it will not start . Tim in Mi.

 

[frank360]

no it's not my book calls for 30 seconds when 32 or 102 longer if colder,i come to fact that i have a elitrical problem some where will hire somebody to check it out

 

[KiotiJohn]

</font><font color="blue" class="small">( no it's not my book calls for 30 seconds when 32 or 102 longer if colder,i come to fact that i have a elitrical problem some where will hire somebody to check it out )</font>
Well okay, if the book says that, but I've NEVER heard of using that much time on the glow plugs all at once. My CK20 is set to automatically run for about 8 secs, and recommended to run them for about that much again if need be.
I suspect that the battery you are using doesn't have enough cold cranking amps for that engine. They are all rated for specific total amps and cranking amps, and I think yours is too low. That's why it worked when you used the charger at higher amps. Get the proper battery for that diesel engine and you should have no more problem. John