hard start for MBE 2004

Discussion in 'Freightliner Forum' started by engrgeorgemarc, Mar 18, 2013.

  1. Mar 18, 2013 #1
    engrgeorgemarc

    engrgeorgemarc Bobtail Member

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    Mar 15, 2013
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    i have Freightliner with MBE OM 460 LA engine that is hard starting, no check engine light, only ABS tractor light is on, and no codes shown when scanned with a nexiq graph scanner.it starts only when you spray diesel into the air filter. did a compression test with the scanner, and got these readings: #1cyl=99.21%,#2cyl=100%,#3cyl=99.21%,#4cyl=85.93%,#5cyl77.34% and #6cyl=61.71% I'm confused on the way forward
     
    engrgeorgemarc, Mar 18, 2013
    engrgeorgemarc, Mar 18, 2013
    #1
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  3. Mar 18, 2013 #2
    Bush chook

    Bush chook Light Load Member

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    Apr 27, 2009
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    do you have any external fuel leaks - don,t go by the comp readings as mcm will try to compensate cylinders for starting
     
    Bush chook, Mar 18, 2013
    Bush chook, Mar 18, 2013
    #2
  4. Mar 18, 2013 #3
    engrgeorgemarc

    engrgeorgemarc Bobtail Member

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    Mar 15, 2013
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    no fuel leak, have checked every thing but now it throws up codes pid102 fmi3 and sid 146 fmi7
     
    engrgeorgemarc, Mar 18, 2013
    engrgeorgemarc, Mar 18, 2013
    #3
  5. Mar 18, 2013 #4
    Pablo-UA

    Pablo-UA Road Train Member

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    Oct 11, 2010
    Borispol, Ukraine
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    bad pump ore bad PLD units
     
    Pablo-UA, Mar 18, 2013
    Pablo-UA, Mar 18, 2013
    #4
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