4jj1 Engine Problems, During the day, the need to pour the liquid cooling system. It provides service and repair instructions for the engine and its components. Sep 22, 2023 · Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! I have a 2008 Isuzu kb300lx Dteq with the 4jj1 engine and it idles fine but when you start revving it starts misfiring and the revs start bouncing up and Brick ECU??? we gotchu ECU Recovery on Multiple Units 4JJ1-17 6HK1-9 6UZ1-3 4HL1-1 4JZ1-201 All Unbricked and Recovered by yours tuly EGR Problem, DPF Problem, Adblue Problem Solved!!! All For 4 reactions · 5 comments reliable rebuilt injectors for 4jj1 engine Jaco Young Isuzo 4jj1/4hk1 28w · Public Anyone know where I can get rebuilt injectors for a good price and would be trustworthy for a 4jj1 2006-2013 Alterra 4jj1 Dmax 2007-2013 iteq non vgt 4jj1 2014-2017 non VGT 4jj1 2007-2016 4jk1 2017-2021 VGT 4jj1 bluepower 2017-present RZ4E 1. Here are some of the more frequent problems associated with the 4JJ1 engine: Oct 23, 2025 · Stop wasting money on failed 4JJ1 rebuilds. 7K subscribers Subscribe HI have a problem with the engine isuzu. Share ISUZU 2011 4JJ1 ENGINE SERVICE MANUAL everywhere for free. Unplugging these sensors triggers limp mode, improving running but limiting power. The document is a workshop manual section covering the engine control system for a 2009/2010 Isuzu MV series. Isuzu engines such as the 4HK1, 6HK1, and 4JJ1 can last for many years if properly maintained. 32K subscribers Subscribe View flipping ebook version of ISUZU 2011 4JJ1 ENGINE SERVICE MANUAL published by sssmce on 2022-01-13. The manual is intended for service station Surging and blue smoke in the 4JJ1 engine often stem from a malfunctioning EGR valve or faulty MAF sensor. After four false starts, ACS Designs mastered the 4JJ1. . What fuel pressure are you talking about. Leakage can not see but I have the impression that the fluid burns with fuel. The engine light was out the next morning when I started up. It covers the engine's mechanical features and specifications, control systems, electrical components, fuel system, EGR system, preheating system, diagnostics, and repair instructions. The manual covers topics such as service precautions, troubleshooting, specifications, removal and installation of the engine assembly, cylinder head, pistons, crankshaft, and other parts. Feb 7, 2025 · The Isuzu 4JJ1 engine is generally known for its reliability, but like any engine, there are some common issues that owners may encounter. Isuzu 4jj1 Engine Overheating solved problem👍👍👍 Junior Mechanic Vlog 2. Additional information can be found on the website truckmanualshub. Hidden engine problems and reliability issues most buyers discover too late. Like all EGR CRD engines, I recommend the fitting of a Mann Hummel Provent 200 catch can. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Discover how to maintain and rebuild the Isuzu 4JJ1-TC turbocharger for peak diesel performance and reliability. We have answered all of the most frequently asked questions relating to problems with the Isuzu D-Max engine. ENGINE MECHANICAL 4JJ1 6A 1 SECTION 6A . The 4JJ1-TC engine features a common rail fuel injection system, double overhead camshaft design, and 4JJ1 engine pumapalya (Troubleshooting Guide) Arman's Retuned Garage 25. The engine is an isuzu 4jj1 and the problem reported is that the machine will run regens automatic and manual about 10 times a day! Back about a month ago i checked differential pressure and at 2200rpm (max rpm) pressure was at 2. The supply to HIGH PRESSURE pump pressure, ie, LOW, or the Injector pressure in the rail, ie,HIGH injector pressure. Oil filter element is dirty - Service or replace engine oil filter. Isuzu D-Max Repair manuals English 25. Low oil pressure Not enough oil in the engine - Fill the crankcase with oil. The diagnostic trouble code list contains over 50 common codes with explanations and diagnostic Discover the specifications, configuration, and maintenance tips for the Isuzu 4JJ1 engine, a reliable and efficient diesel engine for various applications. The Isuzu 4JJ1 Common Rail Engine Troubleshooting Manual is an essential resource for mechanics and automotive enthusiasts alike, providing comprehensive guidance on diagnosing and resolving common issues associated with the 4JJ1 engine. Each fault code is paired with a flash code and a brief description of the issue it indicates, such as sensor malfunctions and pressure issues. Jared explains a common situation were water can affect the operation of two major sensors on the 4JJ1 engine and how to fix/prevent the issue. "Mate, some information on the 4JJ1-TC. Specifications Production years Another 4JJ1 Engine noise post - video included by col66 » Mon Jun 03, 2019 12:22 pm Hi all! just gambled on a used 4jj1 colorado recently, and it came with a engine tick/knock Its the isuzu 4JJ1 diesel (160,000 miles) I didnt want to deal with the problems on the dmax after Nov 2016 (when dpd (dpf)) was introduced.