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Codes P1188 and P1189 after CCV replaced

Tiny
ZELLDOG93
  • MEMBER
  • 1999 BMW 323
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 176,000 MILES
After replacing CCV I am receiving these codes and rough idle at start up.
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Sunday, June 17th, 2018 AT 4:29 PM

36 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,638 POSTS
Please clear all codes and with the scanner still connected turn the key to the on position without cranking the engine over to see what comes up. Does the engine run?

Cheers, Ken
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Tuesday, June 19th, 2018 AT 11:51 AM
Tiny
ZELLDOG93
  • MEMBER
  • 111 POSTS
The day after I posted I found the o-rings went bad on fuel injectors. Waiting for them to come in today to continue. Thinking there was a small leak I did not see, but not sure if it would set these codes.
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Wednesday, June 20th, 2018 AT 3:41 AM
Tiny
KEN L
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Oh yes, it could cause all kinds of problems. Did the codes clear?
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Wednesday, June 20th, 2018 AT 10:34 AM
Tiny
ZELLDOG93
  • MEMBER
  • 111 POSTS
I got it back running cleared the codes and it came back. Here are recent freeze frames.
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Wednesday, June 20th, 2018 AT 5:12 PM
Tiny
ZELLDOG93
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  • 111 POSTS
It has got bad lag causing traction to activate and rough start up idle and poor idle when stopped.
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Wednesday, June 20th, 2018 AT 5:14 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,638 POSTS
By these numbers is looks like the MAF is having an issue which can be caused by a MAF sensor problem or a partially clogged catalytic converter. Here are two guides to help us see what the problem is:

https://www.2carpros.com/articles/how-to-replace-a-mass-air-flow-sensor-maf

and

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run down these guides and report back.

Cheers, Ken

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Thursday, June 21st, 2018 AT 12:24 PM
Tiny
ZELLDOG93
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  • 111 POSTS
Could this cause traction control to activate?
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Thursday, June 21st, 2018 AT 2:57 PM
Tiny
KEN L
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Not really that would be a separate issue. Do you think that is what is slowing the car down? Can you make a quick video of the problem and upload it in your response so I can what is going on?
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Friday, June 22nd, 2018 AT 9:38 AM
Tiny
ZELLDOG93
  • MEMBER
  • 111 POSTS
Sorry, I just saw this. I am more concerned with the check engine light. I got a new MAF and installed in no light, but I am getting this now:
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Monday, June 25th, 2018 AT 5:38 PM
Tiny
ZELLDOG93
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These misfires appear when at idle.
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Monday, June 25th, 2018 AT 5:39 PM
Tiny
KEN L
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How does the engine seem to run? If okay I would say the computer is having an issue. Please remove the PCM and look for water damage. If you clear the codes and then just turn the key on without starting the engine do any codes come up?
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Tuesday, June 26th, 2018 AT 11:18 AM
Tiny
ZELLDOG93
  • MEMBER
  • 111 POSTS
Runs much better than before, but will notice the mis at idle. I cleared codes key off and no code were present have not looked at PCM just yet.
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Wednesday, June 27th, 2018 AT 3:28 AM
Tiny
ZELLDOG93
  • MEMBER
  • 111 POSTS
The first code to pend is p1622.
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Wednesday, June 27th, 2018 AT 3:56 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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This code is for the thermostat sticking open which can cause some issues. Can you please remove it to see if it is stuck open?

This guide will give you an idea for what you are inf for:

https://www.2carpros.com/articles/replace-thermostat

Please run down this guide and report back.

Cheers, Ken
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Wednesday, June 27th, 2018 AT 12:42 PM
Tiny
ZELLDOG93
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I will get needed parts and install. I will let you know how things go.
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Wednesday, June 27th, 2018 AT 7:06 PM
Tiny
KEN L
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Sweet!
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Thursday, June 28th, 2018 AT 12:00 PM
Tiny
ZELLDOG93
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  • 111 POSTS
What is the possibility it is fuel related?
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Wednesday, July 4th, 2018 AT 10:13 AM
Tiny
KEN L
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These codes are oxygen sensor related can you make the sensors are plugged in? Also, if you have the wiring connectors off of them or any other sensor please check then to make sure they are plugged into the right place. BMW does not have unique electrical connectors of each sensor. It could be fuel related like bad gas. How did it run before you did the repair?
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Wednesday, July 4th, 2018 AT 3:34 PM
Tiny
ZELLDOG93
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  • 111 POSTS
About the same. I feel it is running worse because of this extreme heat.
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Wednesday, July 4th, 2018 AT 9:50 PM
Tiny
ZELLDOG93
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I noticed a code for fuel pressure today as well p1250 code.
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Wednesday, July 4th, 2018 AT 9:51 PM

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