Attention: TDR Forum Junkies Truck is a 2003 common rail 250hp motor 4" exhaust in tank lift pump the rest is stock no tuner no intake.
Recently took one injector at a time carefully pulled the nozzles off cleaned them in a mason jar of seafoam in an ultrasonic cleaner. checked with break cleans if all holes where clear and re reinstalled them on injector. I installed new o ring and copper washer. did this to five of the six since number one just got replaced due to high returns causing a no start and has zero miles on it. Truck has some puffs of white smoke before cleaning i suspected due to carbon build up and clogged holes hence the cleaning. Now all thats its back together lots of grey smoke at idle and hit the gas and black smoke. running ruff. I was carful to tip the nozzle to the side and not loose any if the calibration items in the injector non of those where removed. just break cleaned the surface and sprayed with light air whiel holding injector components down with finger.
I have used the fuel rail caps and blocked of all injectors one by one and pairs of them could not track down what injectors caused the issue. I used a temp gun on exhaust and noticed # 5 was alot hotter than the rest blocking it didn't affect smoke condition.
I have started to take one by one apart again and running them through the ultra sonic cleaner again. this time one more cycle through it with just water and making sure the nozzle is facing up so any carbon or particle will fall out.
I think maybe during the first clean up something may have gotten into the nozzle end and caused the needle not to seat what do you guys think?
I followed all re and re instructions as if i did a nozzle swap but just cleaned my old ones. I re torqued everything to spec in the correct sequence.
Am I on the right thinking of a needle not seating or sticking?
I know oil and fuel will go into cylinder during removal of injector but since the it bellows black at throttle the stuck injector is my thought.
Recently took one injector at a time carefully pulled the nozzles off cleaned them in a mason jar of seafoam in an ultrasonic cleaner. checked with break cleans if all holes where clear and re reinstalled them on injector. I installed new o ring and copper washer. did this to five of the six since number one just got replaced due to high returns causing a no start and has zero miles on it. Truck has some puffs of white smoke before cleaning i suspected due to carbon build up and clogged holes hence the cleaning. Now all thats its back together lots of grey smoke at idle and hit the gas and black smoke. running ruff. I was carful to tip the nozzle to the side and not loose any if the calibration items in the injector non of those where removed. just break cleaned the surface and sprayed with light air whiel holding injector components down with finger.
I have used the fuel rail caps and blocked of all injectors one by one and pairs of them could not track down what injectors caused the issue. I used a temp gun on exhaust and noticed # 5 was alot hotter than the rest blocking it didn't affect smoke condition.
I have started to take one by one apart again and running them through the ultra sonic cleaner again. this time one more cycle through it with just water and making sure the nozzle is facing up so any carbon or particle will fall out.
I think maybe during the first clean up something may have gotten into the nozzle end and caused the needle not to seat what do you guys think?
I followed all re and re instructions as if i did a nozzle swap but just cleaned my old ones. I re torqued everything to spec in the correct sequence.
Am I on the right thinking of a needle not seating or sticking?
I know oil and fuel will go into cylinder during removal of injector but since the it bellows black at throttle the stuck injector is my thought.
