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14 lis 2023 · GM’s 5.3L Vortec engine suffers from common problems including: oil consumption caused by AFM, cracked cylinder heads, spark plug failure, intake manifold problems, and fuel pressure regulator failure.
22 maj 2007 · 2002 Envoy SLT. 4.2L I-6 4x4 with 3.73 gears. 159,000 miles. I purchased the vehicle in 2004 with 45,000 on it. Since that time it has been routine maintance. I had to replace the alternator at 125,000 and just last week had to replace the A/C compressor.
19 mar 2010 · I am thinking of buying a 2006 chevy trailblazer 4x4 with a 4.2L v6 mpi engine and 33k mls. when the engine is running and you rev it up you here a humming noise ,and when you let it iddle you can barley here it, if at all . when driving it you here the same thing when you stop and go. i have a 99 s-10 so this is the lattest model car i have eve...
13 kwi 2023 · Whether you’ve heard it referred to as GM’s 4.2-liter engine, the LL8, or the Vortec 4200, this guide will cover everything you need to know. The 4.2 Vortec was the first Atlas engine to roll out of General Motors production line, based on the GMT360 platform.
This sticky is for links to the most asked about questions, info, specs and general knowledge of the Vortec 4.2L I-6. If you see a thread that should be considered to be added here, click on the <Report> button with a note indicating that it should be added. General. Vortec 4200 Wiki(external site)
13 sie 2012 · I bought a brand new starter, alternator, NGK laser iridium spark plugs, six brand new coil packs, a thermostat and two engine mounts. All of this was installed. It ran okay for all of one week and then began to misfire once more. I then replaced the intake solinoid. Nothing. The check engine light disappeared but the misfire still persisted...
20 lis 2020 · There are common problems, but you should only worry about those as they creep up. Ignition Switch, main power feed mega fuse, HVAC blend door motors, front diff outer seal, front diff actuator, guage cluster issues, wheel bearings. Everything else is just routine maintenance as far as the truck goes.
