Following on from my other thread re the misfire.
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I replaced the fuel pump with a walbro off a member on here a few months back and thought it was noisy compared to oem but assumed it was normal.
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It drove fine once this was changed.
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It makes a high pitched whine continuously however the noise changes tone when the steering is turned or lights on but is still quite noticeable,.
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Can even hear it outside the car.
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My mechanic
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/ friend seems to think this may be the issue of the misfire as the car splutters when under load going through boost.
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Seems to think its running rich.
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Not too bad when cold start but after 10-15 mins gets bad and after 20 mins of driving it will struggle to get over 20mph