Diesel starting trouble

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Mike in Bryan, Ohio 64 months ago	I have a 1994 Ford F-250 7.3 Diesel non turbo. It started experiencing a lack of power about three to four weeks ago. It took the engine more rotations to start when it was cold, and sometimes it would stall after running for a minute. Once you were going down the road, it would loose power. Say you were going 55mph and it would just slow down about 10mph and then kick back in like you punched the acelerator. I changed the fuel filter and it still done the same thing just not as bad. I then started it the one day and it ran for a couple minutes and just died. It now will not start or even attempt to fire. I changed to fuel pump, but still will not fire. I thought maybe it was air in the lines, but how do you bleed the system if it won't start? Also could there be something else I should check? - Was this comment helpful? Yes (58) / No (20) Reply - Report abuse
rafael in Weslaco, Texas 58 months ago	open the (small crack)fuel lines to the injectors( crank the engine over) , so the air can come out. you may have rust in the fuel tank thats why you losing power. your high pressure oil pump maybe out so you don't have pressure (output is about 2,000 to 3,000psi) that well cause it not start. but you need to if the engine is making conpression. - Was this comment helpful? Yes (11) / No (7) Reply - Report abuse
equist in Chattanooga, Tennessee 52 months ago	1994 ford 7.3 diesel f350 auto. will not start when engine gets hot plus it smokes - Was this comment helpful? Yes (18) / No (5) Reply - Report abuse
cocytus in Fort Wayne, Indiana 52 months ago	I agree...sounds like a compression issue. Do you have a comp. gauge? If not, you may consider buying one and checking the comp. pressure. The instructions come w/ the gauge if you aren't sure how to use it. Good Luck! - Was this comment helpful? Yes (2) / No (1) Reply - Report abuse
tim in Athens, Alabama 47 months ago	change fuel pump how many miles on engine?? - Was this comment helpful? Yes (4) / No (2) Reply - Report abuse
james cheney in Conroe, Texas 47 months ago	I have a 1996 F-250 Turbo Diesel I went to the store and shut it down. Tried to start it would not start Got it started got it home had the starter tested at Oreilly auto parts tested good replaced starter relay still will not start Help - Was this comment helpful? Yes (29) / No (7) Reply - Report abuse
Deon in Johannesburg, South Africa 46 months ago	Have u tried ur DIESELPUMP and INJECTORS. If u think of that then maybe it would be the prob. If not then buy urself a electrick FEULPUMP. Install it then trie again. Change the FEULPIPES and clean ur FEULTANK. If not trie ur piston rings thats the only way. - Was this comment helpful? Yes (2) / No (6) Reply - Report abuse
Deon in Johannesburg, South Africa 46 months ago	The PISTONRINGS will not give compression if thy are fried. it could be the pistons or be the COMPRESSIONPUMP - Was this comment helpful? Yes (3) / No (6) Reply - Report abuse
Aaron in White Pigeon, Michigan 46 months ago	If it is non turboed then it is a mechanical fuel injection pump is going bad or there is a air leak in a line in between it an the tank pump and is sucking air. But if there is air in the lines you can have a hard time finding a air leak. - Was this comment helpful? Yes (3) / No Reply - Report abuse
vidal reyes in Victoria, Texas 44 months ago	i have a 92 f250 7.3 non turbo i have replaced the glow plugs the glow plug relay the fuel filter the starter, this is what it does it want start without starting fluid then it will stay runing, now when i kill it it want start not even with starting fluid let it sit for a few hours then it will start need help - Was this comment helpful? Yes (74) / No (14) Reply - Report abuse
Aaron in White Pigeon, Michigan 43 months ago	It can be a few things it could be the fuel pressure regulator or the electric shut off in the injection pump or the injectors maybe going bad. I'd check the fuel presure first to the inj. pump and out of the pump. it could even just be the fuel pump that supplies the injection pump. - Was this comment helpful? Yes (2) / No Reply - Report abuse
vidal reyes in Victoria, Texas 43 months ago	equist in Chattanooga, Tennessee said: 1994 ford 7.3 diesel f350 auto. will not start when engine gets hot plus it smokes might be the injection pump that is what was wrong with mine after it got hot would not start till it cooled down - Was this comment helpful? Yes (1) / No (1) Reply - Report abuse
vidal reyes in Victoria, Texas 43 months ago	james cheney in Conroe, Texas said: I have a 1996 F-250 Turbo Diesel I went to the store and shut it down. Tried to start it would not start Got it started got it home had the starter tested at Oreilly auto parts tested good replaced starter relay still will not start Help you need to have a load put on it mine was said to be good from auto zone took it to a shop they put a load on it it was no good - Was this comment helpful? Yes (3) / No Reply - Report abuse
rafael in Edinburg, Texas 43 months ago	make sure your fuel pressure is good. i would recomment you replace your fuel filter. make sure your apr valve and connector is good. if you can check your pressure from ur high pressure pump. you can dead head it with a gage greater than 5000 psi rated. - Was this comment helpful? Yes (4) / No Reply - Report abuse
rafael in Edinburg, Texas 43 months ago	it is called an internal leak. you need to find leaks around your injectors. recommendations is to re-seal injectors and make sure ur high pressure oil lines are not leaking.ii - Was this comment helpful? Yes (2) / No Reply - Report abuse
rafael in Edinburg, Texas 43 months ago	Mike in Bryan, Ohio said: I have a 1994 Ford F-250 7.3 Diesel non turbo. It started experiencing a lack of power about three to four weeks ago. It took the engine more rotations to start when it was cold, and sometimes it would stall after running for a minute. Once you were going down the road, it would loose power. Say you were going 55mph and it would just slow down about 10mph and then kick back in like you punched the acelerator. I changed the fuel filter and it still done the same thing just not as bad. I then started it the one day and it ran for a couple minutes and just died. It now will not start or even attempt to fire. I changed to fuel pump, but still will not fire. I thought maybe it was air in the lines, but how do you bleed the system if it won't start? Also could there be something else I should check? sounds like you are loosing compression. i would check the compression on the engine and then proceed with something else. - Was this comment helpful? Yes (2) / No Reply - Report abuse
Joel in Springfield, Missouri 43 months ago	RIGO in Palm Desert, California said: NO TURBO NO POWER i bet you drive a pinto - Was this comment helpful? Yes (1) / No (2) Reply - Report abuse
aaron in White Pigeon, Michigan 42 months ago	You can check the controller and relay with a mutimeter for electronics for resistance in them high resistance thay are no good!!! - Was this comment helpful? Yes (2) / No (1) Reply - Report abuse
aaron in White Pigeon, Michigan 42 months ago	Yea it is best to find the specs for the resistance from the Manufacture!! I have worked around a lot of diesels - Was this comment helpful? Yes / No Reply - Report abuse
tim in Dahlonega, Georgia 39 months ago	greasepin in Raymond, Washington said: I have a 96 F250,DI turbo diesel, 90K, won't start cold. Starts if I use block heater for a couple hours, or if I park it in the garage overnight. I've been told it needs glow plugs, but it could the controller or the relay. How tell if its the relay or the controller? greasepin Its your glow plugs - Was this comment helpful? Yes (2) / No (3) Reply - Report abuse
greasepin in Elma, Washington 39 months ago	It was the relay - Was this comment helpful? Yes (3) / No Reply - Report abuse
Aaron in White Pigeon, Michigan 39 months ago	It can be ether one the relay can be checked on the motor on the top pass side. you can check it with a multimeter!! - Was this comment helpful? Yes / No Reply - Report abuse
paul garr 38 months ago	I have a 93 f250 none trubo and my injector pump that wint out and i need to now how to retime the engine so it will run - Was this comment helpful? Yes (8) / No (4) Reply - Report abuse
paul garr 38 months ago	francisco casas in Round Rock, Texas said: i have a 95 ford f250 turbo ,engine runs noisy , want to sell it like it is , asking $1,350 how much would you sell it for - Was this comment helpful? Yes / No Reply - Report abuse
Aaron in White Pigeon, Michigan 38 months ago	paul garr said: I have a 93 f250 none trubo and my injector pump that wint out and i need to now how to retime the engine so it will run Turn the engine to top dead center on cylinder one then remove the old pump the look to see the specs for the timeing of the new pump to the engine to see where it needs to be. - Was this comment helpful? Yes (1) / No Reply - Report abuse
Greely in Jacksonville, Florida 38 months ago	Mike in Bryan, Ohio said: I have a 1994 Ford F-250 7.3 Diesel non turbo. It started experiencing a lack of power about three to four weeks ago. It took the engine more rotations to start when it was cold, and sometimes it would stall after running for a minute. Once you were going down the road, it would loose power. Say you were going 55mph and it would just slow down about 10mph and then kick back in like you punched the acelerator. I changed the fuel filter and it still done the same thing just not as bad. I then started it the one day and it ran for a couple minutes and just died. It now will not start or even attempt to fire. I changed to fuel pump, but still will not fire. I thought maybe it was air in the lines, but how do you bleed the system if it won't start? Also could there be something else I should check? Had a '96 do that and it was the orings on the injectors. - Was this comment helpful? Yes (1) / No Reply - Report abuse
Aaron in White Pigeon, Michigan 38 months ago	It sounds like the Injection pump is out or the fuel shut off solinoid on the injection pump - Was this comment helpful? Yes / No Reply - Report abuse
kirk22 in Theodore, Alabama 38 months ago	I have a 2005 ford f 250 I have fumes coming in truck when ac is on smells like antifreeze changed heater core cleaned duct but I still have fumes, not all the time about ever 20 minutes gets real bad when you push truck hard. can anyone help - Was this comment helpful? Yes / No Reply - Report abuse
Aaron R in White Pigeon, Michigan 38 months ago	I may be coming from under the hood threw the vent or there is a leak under the hood you should pressure check the system. I had a few trucks the over flow tank craked where you did not see it but smelled it at first. - Was this comment helpful? Yes / No Reply - Report abuse
kirk22 in Theodore, Alabama 38 months ago	Thanks I will try that,I have a travel trailor and you cant stand to drive the truck when I pull the trailor because of the fumes coming in the cab - Was this comment helpful? Yes / No Reply - Report abuse
Aaron R in White Pigeon, Michigan 38 months ago	If there is a leak fix it then wash under the hood with enginge degreasser when it is running - Was this comment helpful? Yes / No Reply - Report abuse
Sarajayee in Texarkana, Arkansas 37 months ago	Help! I have a 94 Ford F250 Turbo Diesel 7.3L V8 and all of a sudden it wont start. I can spray or put fuel in the fuel filter and will will run long enough to burn that off... but then dies. I replaced the fuel pump and had a small leak, so I know the fuel pump is pumping... But I'm stumped as to where to go from here... Any suggestions? - Was this comment helpful? Yes (11) / No (3) Reply - Report abuse
Aaron Ripplinger in White Pigeon, Michigan 37 months ago	There may be a air in the system or the fuel pressure regulator - Was this comment helpful? Yes (1) / No Reply - Report abuse
Sarajayee in Texarkana, Arkansas 37 months ago	Thank you!!! How would I go about getting it out? Just keep on trying to crank it? - Was this comment helpful? Yes / No Reply - Report abuse
Aaron Ripplinger in White Pigeon, Michigan 37 months ago	Some times you have to keep cranking but only do it in two to three min intervals then wait 5 to 6 to let the starter cool and use starter in shots to keep it moving wit hout the starter to prime it easyer but dont over do it with the starter fluid or it will lock it up! - Was this comment helpful? Yes / No Reply - Report abuse
Sarajayee in Texarkana, Arkansas 37 months ago	Thank you! You've been a big help- hopefully I can get her running! - Was this comment helpful? Yes / No Reply - Report abuse
tito in San Bernardino, California 34 months ago	i'm about to do compression test on 1990 ford 7.3L what is a good compression? - Was this comment helpful? Yes / No (2) Reply - Report abuse
m524 in Medical Lake, Washington 32 months ago	kirk22 in Theodore, Alabama said: I have a 2005 ford f 250 I have fumes coming in truck when ac is on smells like antifreeze changed heater core cleaned duct but I still have fumes, not all the time about ever 20 minutes gets real bad when you push truck hard. can anyone help try changing your radiator cap it could be leeking if that dose not help check you'r coolant line runing to and from you'r heater and the bypass for and oily res-i-dew because any one of them can have a pinhole that can leek under a load usually the heater lines next to the firewall passanger side behind the engine!! and its possible to have a weak hose clamp!! cause a leak to!! - Was this comment helpful? Yes / No Reply - Report abuse
clwalter in Oak Harbor, Washington 32 months ago	never use starter fluid with glowplugs. thats a good way to blow the heads off the truck - Was this comment helpful? Yes / No Reply - Report abuse
Aaron Ripplinger in White Pigeon, Michigan 31 months ago	clwalter in Oak Harbor, Washington said: never use starter fluid with glowplugs. thats a good way to blow the heads off the truck It is if you dont wait for the glowplugs to turn off or disconnect them first i have used starter fluid on them and never blew a head!!! - Was this comment helpful? Yes / No Reply - Report abuse
Aaron Ripplinger in White Pigeon, Michigan 31 months ago	WD-40 also works better at starting a diesel because it will not eather lock the motor if you are trying to start it or prime fuel filters after changing them!!!!! - Was this comment helpful? Yes / No Reply - Report abuse
rodney in Buford, Georgia 31 months ago	i have a 1999 F350 7.3 power stroke ,i have a lot of trouble starting it in the mornings.i changed my fuel filter several time in a month. it starts then dies repeatitly.i also changed the cam shaft sensor and still does it.i get it cranked and sometime's going down the road it dies. the water light come on ,but i check it for water and cant find any in the filter canister , i just dont know. - Was this comment helpful? Yes (4) / No (2) Reply - Report abuse
Aaron Ripplinger in White Pigeon, Michigan 31 months ago	rodney in Buford, Georgia said: i have a 1999 F350 7.3 power stroke ,i have a lot of trouble starting it in the mornings.i changed my fuel filter several time in a month. it starts then dies repeatitly.i also changed the cam shaft sensor and still does it.i get it cranked and sometime's going down the road it dies. the water light come on ,but i check it for water and cant find any in the filter canister , i just dont know. Check the crank sensor and the fuel pressure regulator. electronics are netorius for failure - Was this comment helpful? Yes (1) / No Reply - Report abuse
Aaron Ripplinger in Granger, Indiana 31 months ago	rafael in Weslaco, Texas said: open the (small crack)fuel lines to the injectors( crank the engine over) , so the air can come out. you may have rust in the fuel tank thats why you losing power. your high pressure oil pump maybe out so you don't have pressure (output is about 2,000 to 3,000psi) that well cause it not start. but you need to if the engine is making conpression. I have never seen a 1994 ford E-350 7.3L IDI non tubo with highpressure oil pump - Was this comment helpful? Yes / No Reply - Report abuse
kyle lively in Hurst, Texas 31 months ago	93 7.3l idi turbo .. replaced all o rings all fuel lines too them , went to start then it would idle up and die .. new fuel pump 4 months old so i know its good ... took valve out of fuel filter housing and replaced .. cranked alot till got it running but whats my ? is how do u know when its tottally blead ? i pumped 3 cups full of fuel out from valve fuel slowly comes and then speed up under full throttle ... im clueless is ther a way to open gas cap and try starting to eliminate air ? someone please help .. thank you, kyle - Was this comment helpful? Yes / No (1) Reply - Report abuse
mario sherwin in Sudan 31 months ago	Mike in Bryan, Ohio said: I have a 1994 Ford F-250 7.3 Diesel non turbo. It started experiencing a lack of power about three to four weeks ago. It took the engine more rotations to start when it was cold, and sometimes it would stall after running for a minute. Once you were going down the road, it would loose power. Say you were going 55mph and it would just slow down about 10mph and then kick back in like you punched the acelerator. I changed the fuel filter and it still done the same thing just not as bad. I then started it the one day and it ran for a couple minutes and just died. It now will not start or even attempt to fire. I changed to fuel pump, but still will not fire. I thought maybe it was air in the lines, but how do you bleed the system if it won't start? Also could there be something else I should check? first remove the hose of the intake shatter,and try to cover by your hand and crank the engine,you fill have a vacuum that mean the engine is good but no vacuum that mean your piston ring of your engine is poor or loss compression. second remove the injetor assy, fix the fuel line into the injector assy try to crank engine manytime you see the actual of spray of diesel if the spray is poor that mean the nozzle tip is weak need to clean or change new one... fuel injection mechanic is my job thank, - Was this comment helpful? Yes (3) / No (4) Reply - Report abuse
Aaron Ripplinger in White Pigeon, Michigan 30 months ago	I is a sensor or regulator going outin the electronics i am a diesel tech you need a tech to scan the computer - Was this comment helpful? Yes / No Reply - Report abuse
timo in Iraq 29 months ago	Aaron Ripplinger in White Pigeon, Michigan said: I is a sensor or regulator going outin the electronics i am a diesel tech you need a tech to scan the computer typical school trained mechanic u dnt neeed a scanner to diagnose 7.3 powerstrokes electronic or idi controlled engines for anything not even finding a bad injector couple simple sensor checks unplug icp snesor if truck runs with sensor unpluged theres ur problem crank shaft sensor problems look at ur tach when ur crankin if aint movin crank shaft sensor problem next truck wont start again unplug fuel heater bowl truck starts found ur problem turck runin first of the day grab temp gun shoot the ir laser at the exhaust manifold find the coldest spot found ur bad injectors or in most cases bad 9 pin harness things dealerships charge u for oh yeah got bad injectors nah got a 9 pin faling out of the connections under the valve cover any more stuff is easy to figure think u got a hpop pump weak plug a 10 ohm ressitor inbetween b&c on the icp if u notice a big jump which u should cause u just tricked the computer into thinking it has low pressure by adding the resistance in the wire if u notice no rise in hp then yeah that thing is on its last leg anything else just think about theory of operation - Was this comment helpful? Yes (6) / No Reply - Report abuse
Aaron Ripplinger in Constantine, Michigan 28 months ago	It sound like the injection pump is out of time. so try to retime it first. jonboy in Lorton, Virginia said: I have a 1992 7.3 diesel. My question is , when its cold the truck has firing problem , it starts at the turn of the key runs rough for a few seconds then dies . Icrank again for a few minutes then fires running roughly,i have to play with the pedal to keep it running, then once it warms up its like a new truck runs great.....ive replaced glowplugs/injectors/ relay/solenoid/block heater ...any suggestions on what to replace next? Thanks so much in advance jon - Was this comment helpful? Yes / No (1) Reply - Report abuse
ryan in Sunapee, New Hampshire 27 months ago	Mike in Bryan, Ohio said: I have a 1994 Ford F-250 7.3 Diesel non turbo. It started experiencing a lack of power about three to four weeks ago. It took the engine more rotations to start when it was cold, and sometimes it would stall after running for a minute. Once you were going down the road, it would loose power. Say you were going 55mph and it would just slow down about 10mph and then kick back in like you punched the acelerator. I changed the fuel filter and it still done the same thing just not as bad. I then started it the one day and it ran for a couple minutes and just died. It now will not start or even attempt to fire. I changed to fuel pump, but still will not fire. I thought maybe it was air in the lines, but how do you bleed the system if it won't start? Also could there be something else I should check? it could be ur injector psi regulater, also could be a injection pump issue. to bleed the system fist make sure u have fuel in the filter there should be a hand pump eather by the filter housing or on the inj.. pump. pump to u feel fuel being transfered. after that try to start in it dosnt start after a few trys, repeat. if still no start start cracking injector lines as u keep pumping untill u get fuel out of them start with the number 1 cylinder first than move in the fireing order. if truck still dosnt start check shut off silinoide. still no fire than i would got internal. first checking the nozzels then performing a compression test. - Was this comment helpful? Yes (2) / No (2) Reply - Report abuse

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Diesel starting trouble

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