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Thread: Is Compression Lock on a PUMA an Issue?

  1. #1
    Join Date
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    Is Compression Lock on a PUMA an Issue?

    Hi All,

    I went to start my Defer the other day and it didn't crank over. I tried again and it started no problem. I think its done this before but was ages ago and isn't a regular occurence.

    The first attempt sounded a bit like a compression lockup. The starter engaged and tried to crank but only got a part of one crank out. It was first thing in the morning/first start for the day so the engine was stone cold.

    Do PUMS engines suffer from compression lock?

  2. #2
    Join Date
    Jun 2017
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    If the battery and starter motor are both in good condition, i would be suspecting a Loose wire or terminal. If you had a hydraulic lockup via fluids leaking into the cylinders you would know as it would smoke heavily after start up.

  3. #3
    Join Date
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    Kingston, Tassie, OZ.
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    A common problem if there is a glitch with immobiliser to engine ECU connectivity. Often a lock and unlock via the fob will sort it out. Usually. Sometimes...
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

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