Impurities and/or bad fuel – Bad fuel injectors are usually prompted by bad fuel (contaminants in the fuel,) which can clog the diesel fuel injectors, forcing them to stick open or closed. Water in the fuel – Diesel that’s contaminated with water will lead the tip of the diesel injector to blow off, causing substantial over-fueling, and The cost of fuel injector replacement typically ranges from $350 to $850, depending on several factors such as the type of vehicle, number of cylinders, and location. Fuel injectors spray fuel into the engine’s cylinders, with one injector for each cylinder. Fuel pumps send fuel from the gas tank to the injectors through gas lines. If you need to change your diesel fuel injection pump, BuyAutoParts.com has a full selection of fuel injection components, including many for diesel fuel systems. If you have any questions about our diesel fuel injection pumps, gives us a call at (888) 907-7225. For more info on other car parts, check out the BuyAutoParts.com Buyer’s Guides. E90 models utilize a single fuel injector per cylinder. Over time injectors can become restricted or fail electrically. If you have an injector giving you a problem, I suggest replacing them in sets of six. This way you maintain an even flow from all the injectors. If you are removing fuel injectors to replace the intake manifold and you plan The driving would allow the system to have removed all air from that change before introducing more with the pump change and line removal. 93 F250 7.3 IDI S/C XLT 4X4 E40D 3.55LS, Captains chairs, Tutone Mocha, Leer 48" Hiboy cap, FR & RR hitches, full DeeZee running boards. Factory ordered/delivered Jan 93. Seal kit is about 20 bucks at Cummins. You should do it as soon as possible and it may get worse tomorrow. 99 2500, Quad cab, 4x4 47RE, BD pressure lock on it, small BD 90/140 chip on the VP 44 connection plug, 17" 3rd gen wheels. 3.55 diffs. Ruenell front bumper and warn winch, Rancho adj shocks. 735,000 MILES. PipH. Model: Skoda Superb II Estate 2l 140 ( CFFB ) Tdi Black Edition, Nissan Leaf 30KWh, BMW R1200GS. There's a lot of difference between the tap of excessive camshaft clearance & knock from a poorly performing diesel injector. It sounds like your injector is goosed & needs replacing if the problem keeps coming back. Ken Jackson. 3 posts · Joined 2012. #5 · Apr 9, 2013. replace injectors takes about 4-6 hours , easiest way to do it, pull valve covers, remove gasket and disconnect wires from injectors and glow plugs. remove 8 mm bolt at lower injector. pull glowplugs. use prybar under steel mounting holddown below injector head. do not pry or ever hit this Cleaning excess carbon with a glow plug hole reamer. Attach all the fittings and injector lines and new braided rubber return lines as well as the end plug on the fifth injector. Do not fully tighten the hard line fittings at the injector end. Now the air has to be bled out of the fuel system. Participant. The 2022 GMC Denali Limited is equipped with a 6.2-liter V8 engine that comes with direct fuel injection. Fuel injectors are a key component of the engine’s fuel delivery system, as 0FoPV.