What causes P0521 code?
The P0521 code is set when the ECM detects the voltage value is either higher or lower than the specified acceptable range of oil pressure. This code can also be set when the engine detects constant fluctuation of the oil pressure value.
Is there an engine misfire code on a GM 4.8L?
Engine Misfire or Rough Engine Idle on GM 4.8L, 5.3L, 6.0L is becoming; more common and getting harder to diagnose. Because, GM V8 engines are very prone to a rough idle and engine misfire when cold. The check engine light may also come on, with codes P0300, P0171 and PO174.
When did the Chevy 6.0L Vortec 6000 come out?
The 6.0L Vortec “6000” engine was introduced in 1999 and remained in production until 2019 when it was replaced by the 6.2L Vortec. The Chevy 6.0 is a small-block V8 engine that produces 300hp-345hp and 360tq-380tq, depending on the engine version. The 6.0 engine had nine variations over its 20 year life span.
What kind of engine does a GMC 6.0L have?
This Premium Longblock engine includes block, crankshaft, connecting rods, pistons, timing set, oil pump, camshaft, lifters, bearings, gasket set, cylinder heads, valves and springs. Labor time up to $50/hr. and only if originally installed at an automotive repair facility.
What causes a Chevy 6.0 Vortec engine to leak?
They are subject to extremely high heat temperatures which can cause gaskets and bolts to warp and go bad, creating an exhaust leak. On the Chevy 6.0 vortec engine, the exhaust leak is most commonly caused by the exhaust manifold bolts completely breaking off. When the bolts break off, air gaps will open up causing exhaust gasses to escape.
Is there a GMC Sierra 6.0 liter engine?
6.0-liter equipped 2001 GMC Sierra: 10 MPG city, 13 MPG highway If you need the extra power, the 6.0 is definitely worth a look. However, if fuel economy is of concern, a 4.8 or 5.3 is likely to suit your needs better. Gen Three Small-block 6.0: Additional Variants
What kind of gas does a GM 6.0L Vortec use?
The 6.0L Vortec features unique high flow cylinder heads with “cathedral” shaped intake ports and “D” shaped exhaust ports. Its sister engine is the 6.0L LC8, which features the same basic engine structure but has been engineered to run on compressed natural gas (CNG). Sequential multi-port fuel injection, return-less fuel system
What kind of gas mileage does a GMC Sierra get?
However, according to the EPA ratings for a 6.0-liter V8 equipped 2009 GMC Sierra 4WD, it gets 13 MPG city and 18 MPG highway. Not far off from its gen-three cousin. If fuel economy is the aim, though, a hybrid variant of the 6.0-liter V8 was available in the Silverado, Sierra, Tahoe, and Yukon from 2008 to 2013.
How to troubleshoot a misfire ( GM 4.8L, 5.3L )?
Engine Mechanical: Misfire Troubleshooting. You can find this tutorial in Spanish here: Cómo Diagnosticar y Resolver Una Falla en Cilindro (GM 4.8L, 5.3L, 6.0L) (at: autotecnico-online.com ). The core symptom of a misfire is rough idle.