08-19-2019, 07:17 PM | #1 |
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Check engine light appeared for a couple of days and disappeared...
Hello folks. Has anyone experienced their F48 check engine light that appeared for a couple of days and then disappeared on its own? I almost took it to the dealer and of course it disappeared in the morning of. I did some search and what I found is that the engine might've had some misfire at some point during start up. If that was it, does it self-adjust and thus the light went away?
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08-19-2019, 07:47 PM | #2 |
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Get this https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
and then download this https://www.obdautodoctor.com
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2016 F48 X1 -> 2020 G20 M340i
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10-13-2019, 11:06 PM | #4 |
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Took the car to the dealer to get it diagnosed. They determined the cause was a faulty tank vent valve that was permanently stuck and malfunctioned. The tank vent valve and pressure sensor venturi nozzle were replaced. Hopefully I won't see another CEL for a very long time.
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10-14-2019, 01:48 AM | #5 |
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10-15-2019, 01:30 PM | #6 |
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10-17-2019, 03:05 AM | #7 |
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Best to send it in. This check light is very vague. Mine came up one morning and I decided to send it in for a check. Was on until I reached the dealer. When the service guy re-started the car, the engine light didn't come on. He said maybe just continue to drive and monitor (without plugging it into a computer).
Since I was already there, I told him that I'll leave it there overnight and let them check. They called me later in the afternoon and said the thermal management module is faulty and needs to be replaced. They also drained and refilled the coolant and did a pressure/leak test. I'm glad I sent it in because I wouldn't want my engine to have any unnecessary heat damage. So yes, may be serious. |
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10-08-2020, 12:49 PM | #8 | |
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Heat management module and the coolant pump with support. Did you replace both? |
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10-24-2020, 08:58 AM | #9 | ||
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Only the parts I stated previously were replaced according to the work order receipt from dealership. Hopefully you'll resolve the issue. Good luck. |
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10-28-2020, 07:58 PM | #10 | |||
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Do you have the part numbers for both? They may be on the receipt? Thanks |
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10-28-2020, 10:28 PM | #11 | |
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CEL light on
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I bring my car to dealer and they fixed the problem by replacing -Tank ventilation vent valve and Venturi nozzle. The problem never come back for couple of month. |
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10-29-2020, 01:51 PM | #12 |
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The ODBII computer will automatically depending on the severity, remove any warning lights or messages after a few days. However this doesn't mean that the code has gone away. It's still in memory and you should always have the codes verified by a technician especially if the vehicle is still under warranty as any work and parts would be covered.
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01-07-2021, 10:56 AM | #13 | ||||
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