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New fuel pump: Anyone notice this?


ix9
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I put in a new fuel pump today - Bosch 040 :rolleyes:

Apart from the small beehive buzzing in my boot, I can now run more boost - about 13psi without it misfiring or pinging.

Strange, anything near 11psi before would misfire like hell....

How could the old fuel pump affect that ? Would my old pump have been shagged?

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Kym the stock pump is only good for 80,000Kms anyway... and after installing a new one usualy power usually goes down because of your richer AF ratio

Maybe it WAS a ping because the 040 would of made it misfire more.

Congrats on the new toys :)

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