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2002 BMW 745i fuel pump issue
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08-09-2016, 01:32 AM,
Post: #1
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2002 BMW 745i fuel pump issue
I have 2002 BMW 745i in my shop with start issue no power going to fuel pump
I scanned it with ista/d and it showed no error in b pillar satellite (sbsr) when I activated fuel pump with ista still no power to pump but no error in module . wiring ok ,when applying power to pump with probe car starts. is there any fix for that module or does it need to be replaced ? |
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08-09-2016, 08:33 AM,
Post: #2
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RE: 2002 BMW 745i fuel pump issue
Open the module and resolder big pins
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09-09-2016, 00:54 AM,
Post: #3
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RE: 2002 BMW 745i fuel pump issue
Ok i did resoldered big pins and car start
but its like 9 to 11v going in pump, battery voltage is 14v when car ruining is it ok? |
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09-09-2016, 03:20 AM,
Post: #4
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RE: 2002 BMW 745i fuel pump issue
That's fine, that module regulates the voltage to the fuel pump to regulate the pressure. If you check the voltage at first key on or cranking it is probably battery voltage.
If someone took the time to help you, the least you can do is take a few seconds and press two buttons!
Thanks ![[Image: tyl_add.png]](https://cartechnology.co.uk/images/CarTechnologyTheCure/english/tyl_add.png) + ![[Image: postbit_reputation.gif]](http://cartechnology.co.uk/images/CarTechnologyTheCure/english/postbit_reputation.gif) reputation. |
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