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Bosh Spark Plugs

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Prius 06, Jun 21, 2009.

  1. Prius 06

    Prius 06 Member

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    I was at the parts store today for something and I actually found that they had the Prius in the air filter and spark plug books....first time I've been able to see one in a book.
    Anyways, their top end plugs are the Bosh Platinum Ir Fusion.
    Anyways heard of these or have any negitive feedback towards them?
    Thanks in advance.
     
    #1 Prius 06, Jun 21, 2009
  2. jayman

    jayman Senior Member

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    I tried the Bosch in an older vehicle, it didn't run any better than the much cheaper OEM plugs, and the plugs didn't last any longer
     
    #2 jayman, Jun 22, 2009
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  3. nthach

    nthach New Member

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    Avoid Bosch plugs like the plague. Stick to NGK or Denso.
     
    #3 nthach, Jun 23, 2009
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  4. FuelSpender

    FuelSpender New Member

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    +1 for NGK plugs. I like bosch fuel pumps, but not their plugs. lol
     
    #4 FuelSpender, Jun 23, 2009
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  5. bedrock8x

    bedrock8x Senior Member

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    I have tried the Bosch Platinum Plus plugs long time ago and they ran crappy because the plugs have air sealing problem causing air leak from the plug and loosing compression.

    I believe they have fixed the problem now but I will not go back.
     
    #5 bedrock8x, Jun 23, 2009
  6. sambojoho

    sambojoho Proud conservative

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    I used Bosch plugs in my Honda minivan, they only lasted about 15k miles. My mechanic said they contributed to a burned out coil and all the plugs needed replaced.

    I highly recommend NGK plugs.
     
    #6 sambojoho, Jun 24, 2009
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  7. patsparks

    patsparks An Aussie perspective

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    I have used Bosch plugs for many years now, I love them. My wifes car has standard Bosch plugs in it, still going strong after 50,000km, over double the recommended change interval here. You absolutely must lube the threads with anti seize lube though.
     
    #7 patsparks, Jun 24, 2009
  8. ETP

    ETP 2021 Prime(Limit),Highlander HYB Plat,B52-D,G,F,H

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    Ditto/best plugs period!
     
    #8 ETP, Jun 25, 2009
  9. nthach

    nthach New Member

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    Bosch fuel pumps are great in German cars, and Nissan uses clones of them made by Hitachi.
     
    #9 nthach, Jun 26, 2009
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