Fuel Induction Service?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Glassyman99, Dec 12, 2025 at 10:47 AM.

  1. Glassyman99

    Glassyman99 New Member

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    Independent shop recommended it as: “Performing a fuel induction service every 30,000 miles is important because it cleans carbon buildup from the fuel system, improving engine performance, fuel efficiency, and reducing emissions.”

    I purchased a 2006 Prius at 122000 miles, doing the standard maintenance at 125000. When I do my own oil changes, I always use a bottle of Techron in the next fueling. The last “Fuel system cleaned/serviced” on record from previous owner was 12/17/2019 at 97,671 mi.
     
    #1 Glassyman99, Dec 12, 2025 at 10:47 AM
  2. BiomedO1

    BiomedO1 Senior Member

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    Sorry; either you misunderstood or someone is feeding you BS. There is NO carbon build-up in your fuel delivery system ONLY on the injector tips in and around the combustion chamber. IMHO, your Techcron treatments is enough. There are plenty of people well pass 200K miles that have NEVER done anything to their fuel delivery system - NO additives at all; just whatever mixed in with the gas station's blend.
    I'd be more inclined to change out fluids not mentioned in the OEM manual (ie. brake fluid and ATF). They've gone almost 20 years and over 100K miles, so probably prudent to change with a fresh batch.

    Just my two cents....
     
    #2 BiomedO1, Dec 12, 2025 at 11:48 AM
  3. PriusCamper

    PriusCamper Senior Member

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    Get some rags and some carb cleaner and stuff them down the throttle body and you will have cleaned up the oil that builds up in the intake manifold and varnish that builds up in the throttle body. That's equivalent, maybe even better than an induction cleaning.
     
    #3 PriusCamper, Dec 12, 2025 at 2:23 PM
    priumium and Mendel Leisk like this.
  4. priumium

    priumium Member

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    I would also like to mention basic propanol - instead of so-called carb cleaners. What’s that excactly chemically…? Product does not even exist in that naming concept in Sweden…

    Propanol is often much easier to get hold of - and a lot cheaper - and dissolves carbon deposits and have many other uses….
     
    #4 priumium, Dec 13, 2025 at 9:24 AM
  5. PriusCamper

    PriusCamper Senior Member

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    Here's what ChatGPT says:

    "Sweden enforces national restrictions on certain hazardous chemicals in consumer products on top of EU-wide chemical laws like REACH. These Swedish rules can ban or limit products that contain particularly dangerous solvents or substances that pose health or environmental risks. kemi.se

    For example:

    • Certain car care chemicals containing methanol are prohibited from being sold in liquid form because of severe poisoning risks. kemi.se

    • Products classified as very hazardous chemical products may require special permits for sale and use, even for professionals. kemi.se
    A lot of traditional carb cleaners use volatile organic solvents with strong health and environmental hazards, and these substances might not meet Sweden’s more rigorous classification and sales rules. Manufacturers therefore often do not register or supply those formulations here." https://chatgpt.com/c/693dc69c-33e8-832b-8b7d-808b28f9b8b0
     
    #5 PriusCamper, Dec 13, 2025 at 3:09 PM
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