Webb12 mars 2024 · As the name implies, the fuel pressure regulator regulates the pressure of the fuel going to the fuel injectors. A vacuum-operated fuel pressure regulator can fail in several different ways. In many cases, the diaphragm inside of the regulator ruptures, allowing fuel to be drawn through the vacuum line and into the engine’s intake manifold. Webb20 apr. 2024 · have you look at the injector tables in the express van tune. They had the L31 in them with the 0411. Yea but the had the poppets all the way till 03. The Astro/Safari van got the MFI upgrade spider and they had a 22.1 lb/hr flowrate at 58 psi. My stock poppet spider was set at 23.1 and ran at 62 psi. 04-20-2024 #12.
How to test fuel injector on 454 chevy 1998 - Fixya
WebbThis page is taken directly from our digital online manual 24065 for the 1988-98 Chevrolet and GMC C/K 1500/2500/3500 pickup trucks (including 1999-2000 C/K Classics), Chevy Tahoe, Blazer, and Suburban, and GMC Yukon, Yukon Denali, and Suburban, 2WD or 4WD with V6 or V8 gasoline engines, but it applies to many GM vehicles that use 4.3 … Webb13 apr. 2009 · 3. This is one of the easiest GM ignition control modules to test. This article will take you step by step through the whole process of diagnosing and troubleshooting a bad ignition control module and ignition coil. The ignition control module (ICM) and ignition coil tests in this article assume that your vehicle is cranking but not starting ... scarborough what\u0027s on 2021
SOLVED: 1998 Chevy 3500 4x4 454. Will crank but will not - Fixya
WebbI have a 1996 Chevrolet K3500 what is 7.4 454. I’m doing a full build on the motor I’ve been told that these injections systems don’t do well with these kind of upgrades. If I send y’all Parts list of what kind of cam, … Webb2 jan. 2024 · This truck has the 454 L29 engine and it has been giv... In this video I will be showing you the Injector issues that I have with my 98 Chevy C3500HD 7.4 truck. Webb14 sep. 2015 · The L29 454 was originally rated at 290 hp and 440 lb-ft of torque thanks to a combination of fuel injection, large oval-port heads (to replace the peanut ports used in the previous Gen V motors) and a slightly higher static compression ratio. The heads used on the L29 combined the large oval intake ports with small (100 cc) combustion … scarborough what\\u0027s on 2022