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    Re: vauxhall corsa 2001 1200 Archived Message

    Posted by Leslie Strong on March 27, 2007, 8:06 pm, in reply to "Re: vauxhall corsa 2001 1200 "

    Sorry guys for being so late back with response. Responding to all three at same time.
    And thanks for the suggestions.
    Code reader being used Snap On scanner (Heritage model).
    Had car back in last week. Freeze frame data, long term fuel trim 21.8%, Ignition light off, spanner light on. Opted to go on long run at speed, after clearing code noting long term fuel trim went very quickly to 14, short term minus 10 to minus 14, noting 02 sensor seemed to be switching in the upper band more. Stopped at convenient spot, changed air flow meter, off again, long term fuel trim dropped quickly to 11% then down to 9% and sometimes going 4 - 0 with short term fuel trim behaving quite differently
    - 10 to + 10 bouncing up and down. With the oxygen sensor switching more noticably across the range. Performance appears a little better. Just to finish double checked for air leaks - none found straight through on emissions test when light on. Keeping fingers crossed.

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