Is the number 8 injector different on a 7.3 Powerstroke?
The injectors in the 7.3L diesel run off of the high-pressure engine oil pump. The number 8 injector is the farthest away from the oil pump, causing a filling problem, which may result in a misfire. Ford replaced the number 8 injector in some vehicles as needed with a different injector to solve the problem.
Why do 7.3 injectors fail?
Stiction: The gummy residue known as stiction is commonly the culprit in failed injectors. This residue can hinder the injector’s ability to deliver the fuel to the engine efficiently. This issue is especially common in many Ford diesel Powerstroke models and could likely be the cause of your Ford injector problems.
How much does it cost to replace fuel injectors on a 7.3 PowerStroke?
7.3 PowerStroke ($1,000 + Labor) The average price of a replacement for these diesel injectors can be anywhere from $400-$6100, depending on your engine and truck’s specs.
Can I replace fuel injectors yourself?
Replacing a fuel injector seems like a daunting project, but with a little skill you can do the job yourself and save serious money. Shops charge a huge amount for fuel injection work. If you know that you have a bad injector, the job can be done at home.
How long do stock 7.3 injectors last?
Some can be expected to last between 80,000 and 100,000 miles, while the best fuel injectors can last as long as you have your vehicle.
What happens when one injector fails?
If a clogged fuel injector continually struggles to disperse fuel to the engine, a time will come when it misses the fuel supply completely and the engine will misfire. The misfire will easily be felt while driving, and often requires immediate repair by trained automotive repair specialists.
Why are fuel injectors so expensive?
Inferior manufacturers may not have the required advanced machinery. Thirdly, injectors are highly intricate pieces of equipment. Injectors have a tolerance of 1 micron, the finest tolerance of any mechanical component on the engine.