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Thread: Vectra 2.5 v6 Help Me!

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    Default Vectra 2.5 v6 Help Me!

    Hey all this my first post so bear (grrr) with me,

    I own a vectra 2.5 v6 (r reg)

    Problem:

    Went out in car all fine night before went out following morning and i new something was wrong, as i pulled away its like it was only running on 2 pistons the pickup has gone top speed the lot it was only sitting there??

    it still runs but so slow now, some people say valves but then some say it would of blown by now i been useing for few weeks as i need to get to work,

    What have i done so far,

    changed:
    ht leads
    spark plugs
    ignition coil (which has now made it backfire) (all leads on correct i followed numbers on engine and coil)

    (also noticed a rattle at back of car getting louder? checked exaust all ok)
    (checked all plugs are sparking aswell)

    please help i love my car and i wanna keep it,

  2. #2
    Regular Member bigcarman79's Avatar
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    The cat may have collapsed and caused a blockage in the exhaust system, this means the gasses cannot escape and basicaly chokes the engine. Could be worth investigating.

    There are a few on here that have changed from the Vec B and may be able to shed a bit more light on your problem. If not the VVOC site tends to be more dedicated to the Vec B than this site is (as its a Vec C site) and will probably offer more advice.

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