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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.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Wonderful little toy
Format: Board book
Is great and fun little toy. Great quality
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Reviewed in the United States on December 2, 2023
★★★★★ 5
Great book!!
Format: Board book
Very entertaining for toddlers, loud enough, good quality.
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Reviewed in the United States on August 30, 2022
★★★★★ 1
Not new condition; not gift-worthy; no turn off switch
Format: Board book, Format: Board book
FIRST Biggest downfall is that baby can’t just turn the gears and look at the book. I see no turnoff switch and the slightest touch to the gears sets off rather loud/obnoxious and random sounds - clanging & moos in additions to choochoos.
SECOND, not in new condition. I should’ve known this when I took the package out of the mailbox and it started clanging (batteries in). Scratches on the front cover; worn cover edges; not gift-worthy
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Reviewed in the United States on September 30, 2024
★★★★★ 5
Amazing value for the price - perfect for my 2 year old book lover!
Format: Hardcover
This is an amazing value! My 2yo loves books and princesses, and I am trying to work on her independence (and find screen free activities). She was able to figure out the reader on her own, and can easily follow along. Of course, she would rather I do it with her but we're working on it.
The pages are very thin paper, but that's ok considering the price for 8 books. Just might want to keep an eye on little hands. The art work doesn't look cheap, and despite the delicate pages the books are good quality. The reader is cool, sound quality is meh but again, under $20. I wish the box didn't have display holes so it would be a better storage case, but even the cardboard is pretty good so I can make it work.
I will definitely be gifting this and buying more for my girl because you cannot beat the value of this!
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Reviewed in the United States on February 27, 2022
★★★★★ 5
Great Read-a-Long
Format: Hardcover, Format: Hardcover
This is a great idea for young children to listen and learn to read. It's easy for little ones to learn how to use it. Just match the picture on the selected book to the corresponding picture on the electronic reader and that's it. The electronic reader voice speaks clearly and understandable. The words are printed on the page, making it easy to follow along. This was the perfect book for my five-year-old princess granddaughter.
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Reviewed in the United States on October 10, 2023