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03 STI Starting problems, turn over very fast for about 5 seconds before starting ok.

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Old Jul 22, 2010 | 09:18 PM
  #1  
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SteveRattue
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Default 03 STI Starting problems, turn over very fast for about 5 seconds before starting ok.

As above in subject, does this every time now. Takes about 5 seconds of turning over before car catches and starts, Runs fine after that. Well after a few minutes when car is warmed up.

Any ideas please?
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Old Jul 23, 2010 | 09:41 AM
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When you go for a start turn the ignition on and wait for 5 secs or so (listen for fuel pump noise to reduce indicating fuel system is up to pressure) then try starting. This may not be answer but it sounds like a lack of fuel, this may be due to dud temp sensor kidding the ECU to have the wrong start conditions.
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Old Jul 23, 2010 | 10:00 AM
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yeah i never make the final turn on the key until the pump whirring has stopped. Give this ago and see if its any better
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Old Jul 23, 2010 | 10:58 AM
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Agree with both of the above, especially in the hot weather - fuel evaporation in the lines
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Old Jul 23, 2010 | 12:29 PM
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Cheers guys, if i turn the key on and off a few times so its primed the system a few times it starts a lot better. Still not as well as it should do though.
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Old Jul 23, 2010 | 01:30 PM
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had this problem with mine, replaced the fuel pump and it was fine
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Old Jul 23, 2010 | 06:46 PM
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I will have a look on ebay and see if i can find a standard sti pump. Car is 7 years old now so suppose its due a change.
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