Fuel injectors
Thread Starter
|
New User
Joined: Nov 2005
Posts: 18
Likes: 0
Fuel injectors??? NEED HELP???
ok, I have a 1993 Ford F250 heavy duty with the 7.3 non turbo diesel.. Someone said my injector was misfiring,,, mind you that this is not electronically injected, can i clean them, or what does anyone suggest for me to do????? I need all the help I can get...
Last edited by Dieseladdict; Nov 10, 2005 at 08:07 PM.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
Diesel Kleen may clean the crude out of the fuel system and fix the problem.
Or you may have to get the injectors rebuilt.
That is not a job you can do without some expensive equipment.
Do you have a diesel injection service close to you?
Pump and injector problems are best left to the pro's cause they have all the right tools to do the job right.
Or you may have to get the injectors rebuilt.
That is not a job you can do without some expensive equipment.
Do you have a diesel injection service close to you?
Pump and injector problems are best left to the pro's cause they have all the right tools to do the job right.
Thread Starter
|
New User
Joined: Nov 2005
Posts: 18
Likes: 0
no, no one works on diesels around here.. It took me a whole day to find a shop that could bend big enough exhaust pipe to run my new exhaust.. so you kinda have to learn how to do it yourself.. but they are simple injectors, IDI, not electronically controlled or anything.
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
Your 93 uses Code E injectors and a 5013 injection pump....... To isolate the bad injector crack each injection cap nut 1/2 turn until that injector goes off line. CAUTION: Cover the injector with a rag as high pressure fuel may be released. When the injector goes off line the engine should miss and shudder it there is no or only a little difference in performance then that would be a suspected bad injector, continue until all are done. Torque on the cap nuts is 22ftlbs.
Check out these folks for the parts.........
http://www.mwfi.com/Dieselpage.htm
http://www.dieselpage.com/
Check out these folks for the parts.........
http://www.mwfi.com/Dieselpage.htm
http://www.dieselpage.com/
Last edited by PLC7.3; Nov 10, 2005 at 10:08 PM.
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
Do a compression check. Low Pressure will not fire the fuel. I had one several years ago. It had 125K and had one valve go bad. Would have been a perfect time to do this when injectors was out.
Trending Topics
Senior User
Joined: Oct 2004
Posts: 321
Likes: 0
Did you notice _any_ injector making little or no difference in how the engine ran as you opened each injector line? What are the symptoms you're experiencing?
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Top 10 Ford Trucks Coming to Mecum Indy 2026
Brett Foote
5 Best / 5 Worst Ford Truck Wheels of All Time
Joe Kucinski
Posting Guru
Joined: Sep 2002
Posts: 1,897
Likes: 0
From: Northeastern Pa - USA
what do you mean by "misfiring" and how do they know it is misfiring? When does this happen, engine cold, hot, idle, crusing or pulling? Give it a real good dose of diesel kleen or power service and see if that helps before you go ripping into the engine.
Thread Starter
|
New User
Joined: Nov 2005
Posts: 18
Likes: 0
well when its cold and not plugged in, it starts real rough, shakes hard. while its at running temp, it shakes very little, but in 3 or 4 gear at lower rpm the truck has a shake to it. I checked all the injectors, when i broke the bleeder, you heard a big difference, they all seemed to do it the same????? Thanks for all the advice, Ill keep on checking to hear from everyone.... THanks
Senior User
Joined: Oct 2004
Posts: 321
Likes: 0
Originally Posted by Dieseladdict
well when its cold and not plugged in, it starts real rough, shakes hard. while its at running temp, it shakes very little, but in 3 or 4 gear at lower rpm the truck has a shake to it. I checked all the injectors, when i broke the bleeder, you heard a big difference, they all seemed to do it the same?????
Thread Starter
|
New User
Joined: Nov 2005
Posts: 18
Likes: 0
well i live in pa and since i owned the truck its been in the 40s or lower at first morning starts. and for the lower rpm's when it is between 40 and 50 in 3rd gear, under 2000 rpm, and between 40 and 60 if its in overdrive, also under 2000 rpm. it seems to get better as the rpm's rise. the shake isnt too bad in 3rd gear, but if its in overdrive around 40 or45 its pretty violent. i dont use my overdrive now unless im atleast doing 55 mph.... I have only had the truck for about 4 weeks now, and its my first diesel of my own, so i need to learn as much as possible haha. thanks again everyone