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Old 01-16-2024, 02:03 PM
Ben Dejo Ben Dejo is offline
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Join Date: Sep 2021
Location: Albuquerque
Posts: 6
Ben Dejo is on a distinguished road
Ben Dejo Ben Dejo is offline
Junior Member
 
Join Date: Sep 2021
Location: Albuquerque
Posts: 6
Ben Dejo is on a distinguished road
I thought it worth sharing that its well worth ordering quality injectors like what MotorWest offers. 6 months ago I ordered and installed injectors from GB Remanufacturing thinking that they were rebuilt Aisan injector cores, which they are not! They were just cheap generic injectors with no brand name or part number cast on the injector body. My fuel trims were never very good with these GB injectors, like LTFT was -20% and STFT was -10% or worse. Last month I started getting P0172 codes running rich (LTFT got to -34%) and they became more frequent. For basically $120 more, I could have bought the injectors Timmy the Toolman recommended in his injector video from MotorWest. I would not have run into this and saved $220.00. I see others in the 4Runner forums chasing a P0172 and replacing plugs, wires, coils, MAF, O2 sensors, TPS, FPR, and their injectors. I suspect they went the less expensive route I did on the injectors and could possibly be causing their problem. When I pulled 2 of the GB injectors out, the basket at the end stayed in the intake. Just shows what cheap gets you. The injectors MotorWest sells for the 5VZ-FE 3.4L I just installed in my 99 4Runner are Denso which work great and fuel trims are normal again. They not the brown Aisan as MotorWest indicates those had solenoid failures, which is why I replaced my injectors the first time when I had a misfire because one of the Aisan injectors failed. All I had to do was replace the cheap injectors with ones that were quality and that solved my problems. I didnt have to replace all those other sensors which saved me money in the long run.
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