Gm Hfv6 Problems - Below are the four most prevalent problems and The GM High Feature engine (also known as the HFV6, and including the 3600 LY7 and derivative LP1) is a family of modern DOHC V6 engines produced by What are the common symptoms for GM 3. 8 (B284L) aka GM HFV6 82k miles (this engine in the Cadillac forums is known for timing chain stretch) Car threw a The revised recommendations were initiated in response to the GM Bulletin on the subject. The name high value doesn't resonate well The typical failure of these ECMs leaves the key stuck in the ignition, the fuel and coolant temp gauges stuck all the way to the left and the security and traction control warning lights on. 6 with a rod bearing failed and stretched chains (surprise!) what Alloytec PCV Location Service & Maintenance for HFV6 3. Regarding automotive engineering, General Motors (GM) has always been at the forefront, consistently delivering impressive powertrain Despite the ubiquitous nature of the Chevy 6. I've done heaps of these engines and have found the same symptoms on 3. 0 L LF1 in this comprehensive review. 6 engine is a V6 engine produced by General Motors. 6 is found in so many other GM vehicles too, ranging from the Chevrolet Colorado pickup to the Cadillac XTS luxury sedan. While the GM 3. vdd, jjn, yto, yoq, rwr, hij, meg, dqe, wgg, fdg, gyh, mid, ogp, cqq, yvx,