When you change a diesel fuel filter, run out of fuel or disturb the fuel system, air is trapped. When you try to start the engine this air acts as a lock, preventing the normal supply of fuel into the cylinder. Here are the steps to take in bleeding air from a diesel fuel system: 1. Turn off fuel valve. 2. Clean outside of filter housing. 3. How to remove and injector that came apart because it was stuck due to carbon buildup without any special tools in a Ford 7.3 IDI Non-Turbo engine. Simple, E 7 posts · Joined 2020. #1 · Mar 8, 2022. Good afternoon everyone! So #5 injector went out on my L5P, and was wondering what it would cost to change out? My local dealer wanted 2100$, i think it was a little too much. But what do I know anyone know of it is hard for me to replace myself or if they could suggest a mechanic near Palmdale, Ca …. Replacing a fuel injector should take 1 to 2 hours for a mechanic to remove and 4 to 5 hours for a non-mechanic to remove. The average fuel injector costs $150 to $600. The total cost of replacing the fuel injector can go up to $1100. There are several signs that show a fuel injector causing a problem in the engine, including consuming more All these parts (o rings, insulators, washers) are deep in the head after pulling the injector. They look to be difficult to remove and to be sure you have all the items out. They can (or parts of them) fall into the injector hole then foul the cylinder (once in the cylinder, nearly impossible to remove). Normally the manuals I have specify to Stick a piece of low carbon steel/cast iron in pump ULSD and watch it turn into a gob of rust. Water and Rust are the real early in life killers of these injectors. Chrysler did nothing to protect the Cummins 5.9 from water. Waste of money to replace pefectly running injectors not showing signs of excessive fuel return or nozzle leakage. 5078 posts · Joined 2011. #3 · Aug 11, 2012. My lb7s on its 4th set of injectors according to the vin check and the 1 set I put in at 220k. Some guys last forever, some last 10k. Luck of the draw. Lift pump, filtration, good fuel, and fuel additive are a must to help prevent pre mature injector failure. Gideon. 01 LB7. Fuel injectors are in about every engine from lawn mowers to tractors. The SF Engine Man, Ray Bohacz, shares tips on how to service a fuel injector and shows This prevents it from achieving torque before it is actually tight. Carefully align the injector in the injector bore. Place the hold down over the injector and start the cap screw. These particular injectors get torqued to 59 foot-pounds, if you look it up on Quick Serve online, or if you have a shop manual for the ISX engine. 7.3 injector rebuild. Ok glad to finally be a member after hanging around for a few months and researching and fixing what I could before actually making a post. That being said im stumped on what to do. Have a 1999 7.3 with 156k picked up a few months ago and have been going through the problems one by one. kGN9.