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9 lis 2023 · Overall, the 8.1 Vortec is very strong and reliable. However, despite its reliability it does have a number of common problems. The engine suffers from lifter tick, CPS failure, intake manifold leaks, spark plug failure, excessive oil consumption, and poor gas mileage.
8 wrz 2023 · The GM 8.1 Liter Workhorse engine is stout, dependable, and long-lasting but has some flaws and issues to be aware of: Reliability: It’s not nearly as reliable as the older 454 applications. And be aware – when it fails it tends to throw rods and come apart rather violently.
19 lis 2022 · Even having been touted as a stout engine, below are some of the issues to expect; Crankshaft piston failure; The 8.1 Vortec engine has a crankshaft position sensor that lets the ECU know what speed the crankshaft is running at. When this sensor fails, then the engine will not run.
6 sty 2010 · 8.1 Stumbling and sputtering. Almost had my first experience getting a GM towed. Randomly about a mile from my house, the truck started sputtering, the more throttle I applied, the more it stumbled and gave me a bit of a popping sound almost like a back-fire from the intake. I immediately plugged in my cheap scanner.
In this video, Jake covers GM's 8.1 Vortec V8 engine. Production for the V8 8.1 Vortec engine ran from 2001-2006 and was found in vehicles such as the Silver...
In this video, I replace Coils, spark plugs, and wires to repair low RPM misfire while engine is under load. Using HPTuners I show how to identify the cylind...
25 lip 2022 · The 4.3 Vortec suffers from common problems such as ICV valve and TPS sensor failure, intake manifold leaks, distributor failure, port injection leaks, engine knock, and excessive oil consumption from AFM.
