Bmw troubles

Asked by Feb 21, 2016 at 06:02 PM about the 2003 BMW 5 Series 525i

Question type: Maintenance & Repair

I just got my car out the shop. Spent about 700
dollars on a fuel pump and a new MAF. Two days
after getting it back from the shop. I went to start it
up, and had a very rough idle. Little to no power
when accelerating. After looking stuff up and talking
to a mechanic who fixed my car, I unplugged my
MAF and it started running fine. I plugged it back in
and it ran fine when I started it up. Now today I had
the same problem and had to unplug the MAF then
plug it back in to get it to move.  Thinking maybe a
vacume leak even though the shop said they
checked. Any ideas?

4 Answers

246,265

Unplugging the MAF forces the ECU to run on default set values. Is the check engine light on? Time to find an independent BMW mechanic.

Best Answer

@tom yes the check engine light is on. I had brought it to a place called bimmerwerks.

246,265

Scan for the codes and post them back here. We can't help before then. Surprised they couldn't fix it for you.

@tom just got a obd meter P1351 P1349 P1353 P0300 P0102 (which may be because I unplugged my MAF to drive my car but I plugged it in right before I scanned for codes)

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