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The BMW Range
5 Series
o2 sensor Test
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<blockquote data-quote="suren2485" data-source="post: 744606" data-attributes="member: 22162"><p>I'm using the same pump as the original Pierberg, like you said could be inconsistent fuel pressure, i changed the fuel regulator but no improvement. </p><p></p><p>i did compression test and all good, if valve seal is worn it will consume black oil correct and will have white smoke at first startup but i don't have such issues. </p><p></p><p>I will do a fuel pressure test to see if the pressure is consistent and if there is any drop. Appreciate your input man. [emoji2][emoji1474] </p><p></p><p></p><p>Sent from my iPhone using Tapatalk</p></blockquote><p></p>
[QUOTE="suren2485, post: 744606, member: 22162"] I'm using the same pump as the original Pierberg, like you said could be inconsistent fuel pressure, i changed the fuel regulator but no improvement. i did compression test and all good, if valve seal is worn it will consume black oil correct and will have white smoke at first startup but i don't have such issues. I will do a fuel pressure test to see if the pressure is consistent and if there is any drop. Appreciate your input man. [emoji2][emoji1474] Sent from my iPhone using Tapatalk [/QUOTE]
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