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Description
Bosch High Pressure Fuel Function Block (includes PRV and RPS) 01-04 GM 6.6L Duramax LB7The LB7 Duramax as being the first of the light duty, common rail diesels to hit the market, sometimes did some things a bit different than those released later. One of these instances is the high pressure fuel function block as opposed to a traditional fuel rail. That said, the idea is still the same in that it houses the pressure relief valve (PRV) and rail pressure sensor (RPS) and is responsible for the distribution of highly pressurized fuel.
The LB7 Duramax as being the first of the light duty, common rail diesels to hit the market, sometimes did some things a bit different than those released later. One of these instances is the high pressure fuel function block as opposed to a traditional fuel rail. That said, the idea is still the same in that it houses the pressure relief valve (PRV) and rail pressure sensor (RPS) and is responsible for the distribution of highly pressurized fuel. Now, why would you need to replace this function block? As with any diesel, if you can't maintain adequate fuel pressure, the truck will run poorly, and if low enough, not at all. This function block houses two very important parts of ensuring adequate fuel rail pressure, being the PRV and RPS. The relief valve is responsible for controlling rail pressure and bleeding off anytime there is excessive pressure. However, over time, this valve can, and will, wear out causing rail pressure to bleed off before the set pressure has been reached. Secondly, the rail pressure sensor, as with all things, can fail, as well. When this happens, its unable to send an accurate signal of rail pressure to the ECM, so its unable to match desired versus actual rail pressure. If the ECM is unable to determine what the rail pressure actually is, it can over or underpressurize the system. If you're dealing with symptoms such as these, sometimes its easier to merely replace the entire block.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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4.3 ★★★★★
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Product Reviews
★★★★★ 5
Knotty Omegas series is a work of art!!
Format: Kindle
A.J. Shirley has done it again. I was hesitant to read this book because of the premise of omegaverse, but I loved Shirley's Aegis Saga so much that I decided to give this a try. I finished it faster than any other book I've ever read. I fell in love with Serenity, her sharp wit, her creativity, and her ability to hope and love despite her horrible past. I loved witnessing her healing journey. Her chemistry and connection with the pack made my heart race. The men were incredibly lovable and snuggly. And the spice was SPICY. Buckle up.
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Reviewed in the United States on February 18, 2025
★★★★★ 5
Knot their style
Format: Kindle
So I really enjoyed the story. I don’t really like dark omegaverse, surprisingly from the themes it did not go Dark. Instead, it stayed sweet. I like Serenity, you can tell just by the first scene that she was a fighter. She had to save her own life. Once she did save her own life she gets hit by a car. So then Pack Rhodes saves her life, I mean what do you do with a unconscious abused omega that you may or may not have hit with your car. Take her home of course. Loved this book and cant wait for the next one
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Reviewed in the United States on November 6, 2024
★★★★★ 4
Cute read
Format: Kindle
Overall, this was a cute read. I liked the characters mostly. Remy was a bit ridiculous at points. Would consider reading more by this author.
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Reviewed in the United States on December 1, 2024
★★★★★ 5
A good read
Format: Kindle
A good read, just fluffy cuteness, no antagonism. I like all the characters. It could have used another round of editing however, glanfds being one error that cracked me up, and my personal pet peeve was that the author kept using the word fill instead of feel, which I promise you are not interchangeable haha, but it's definitely better than the majority of books I read on here mistake-wise.
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Reviewed in the United States on November 28, 2024
★★★★★ 4
amazing
Format: Kindle
Knot the Bride was a fantastic read! The characters were all amazing and well-developed. It was easy to like them all. Sophia, Luca, Nick, and Gavin were all perfect for each other. It was such a charming story that had me hooked the entire time. I did wish there were POVs from Luca, Nick, and Gavin but it was still an amazing book without it.
I am excited to read the next book in the Willowside Omegaverse series! This is definitely a must-read for fans of omegaverse romance!.
I received a free copy of this book and am voluntarily leaving a review.
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Reviewed in the United States on April 25, 2025