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09-04-2016, 12:29 PM | #1 |
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Car starts 2nd crank - cold only
Hey everyone, decided to join up after reading off & on since I picked the car up.
2006 Z4 3.0si, after sitting overnight the car won't start on the first crank. Fires immediately on the second crank. (I've always left the key in position 2 to let the pump run before starting) Started out as an intermittent issue on cold(er) mornings but has become constant at this point. Seems to take 6+ hours of being parked for it to happen. From what I've read it could be a crank sensor or leak in the fuel system. Any recommendations on diagnosing? In the last 5k miles I've changed the spark plugs and air filter. Saw a similar thread here with no updates: http://www.z4-forum.com/forum/viewtopic.php?f=3&t=83855 |
09-04-2016, 01:38 PM | #2 | |
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09-05-2016, 09:54 PM | #3 | |
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Also, ruled out any potential battery issue - Left it on the trickle charger for 2 days to no avail. Pressing the gas pedal seemed to get it to start on the first crank, albeit longer cranking time than normal (or second try). |
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09-06-2016, 02:30 AM | #4 | ||
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09-07-2016, 11:00 PM | #5 | |
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Other than the peake tool sold by ECS or CarlyBMW app, can anyone recommend a cheap standalone that can read/access all of the BMW modules and codes? |
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