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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 11-16-2012, 02:33 PM
Sue-the-gem Sue-the-gem is offline
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Location: California
 
Join Date: Jan 2011
Posts: 10
Mein Auto: 1999 323i
1999 323i 14 CODES, is it time to sell?

1999 323i gave me 14 codes
The following are the cylinder misfires.

P0300
P0302
P0303
P0304
P0306

Also
P1188
P1189
Fuel Bank sensors

I checked a plug just to see and it looks like it is running too hot.
Am I right in thinking there may be an intake leak? Should I start there? The car runs and the CEL goes on and of intermittently, sometimes with heavy acceleration the car goes into limp mode only to be normal after shutting down and restarting. Any ideas where to start would be appreciated.
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Old 11-16-2012, 02:50 PM
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Fast Bob Fast Bob is offline
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Old 11-16-2012, 04:55 PM
Sue-the-gem Sue-the-gem is offline
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Location: California
 
Join Date: Jan 2011
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Mein Auto: 1999 323i
I dont get it?is it that bad? I figure from what I have read, I try to find any cracks or leaks and replace plugs and wires. New camshaft position sensor and go from there.
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Old 11-16-2012, 07:12 PM
QAfred QAfred is offline
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Mein Auto: 328i, 330ci, R1200C
Quote:
Originally Posted by Sue-the-gem View Post
I dont get it?is it that bad? I figure from what I have read, I try to find any cracks or leaks and replace plugs and wires. New camshaft position sensor and go from there.
You are correct, not a big deal. I had to change my MAF to clear my P1188 and 1189 codes on my 323.
You P0300 random misfire codes are usually vacuum leaks in our cars. Check all vacuum tubing including the one from the intake down to the fuel pressure regulator.

I googled this guy in two minutes....some good thoughts.

http://diy-auto-repair.wonderhowto.c...ur-car-401403/
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323i, intake, leaks, limp mode, misfire, too hot


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