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May 23, 2024
5:02
:08
pm
jdub
FORMER USER
It was the mass airflow sensor. If I unplug it, the car runs great. It's about $70 to replace.
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jdub
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jdub
Joined
May 13, 2004
Last login
Jul 1, 2024
Total posts
77,591 (17,439 FO)
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Messages
Author
Time
I replaced a failed power steering pump on my uncle's 2004 BMW 325ci last night
jdub
FORMER USER
May 23, 12:49pm
Most likely a vacuum leak. Check for a hose unplugged.
John Doe
May 23, 12:53pm
Could be a cracked or misaligned intake hose allowing more air into the engine
misterpepper
May 23, 1:44pm
It was the mass airflow sensor. If I unplug it, the car runs great. It's about $70 to replace.
jdub
May 23, 5:02pm
That doesn't sound right. The MAF is metering fuel based on how much air it
misterpepper
May 23, 5:43pm
I did remove the intake hose entirely, and yes it still runs. So, your opinion is there's still a crack somewhere,
jdub
May 23, 5:55pm
If there's a crack or a vac leak a good MAF will give bad data because
misterpepper
May 23, 6:07pm
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