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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 04-01-2008, 06:43 PM
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silverbimmer3 silverbimmer3 is offline
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Rajaie: spark plugs changed week ago, car shakes this morning 54F!

Before I go with the vanos kit, I tried to replace all my spark plugs a week ago. The cold shaking seemed to be fixed... for a day or 2.

This week:
- every morning, the engine shakes and brings up the engine light. It does not stall though... restart the car will make the engine light go off. The temprature was 54F this morning, not so cold, but the car still shook...
- 2000-2500rpm engine makes some noise that does not sound good, and car is sloppy. Can't make clean pass when I needed to.

Then I went to AutoZone to read the code, the guy used his OBD II but got no code, it says 'passed'. wth? I ask him if he can check all codes that are stored, he said there are no codes stored. wth??? I don't know what to say, just hoped i knew how to use that mf.

So:
- replacing 6 spark plugs did not make the morning shake go away!!!!!
- Can you please let me know if there are codes that I can retrieve???
- I will order the vanos kit and repair vanos this weekend, by myself

Do you think this is 90% vanos problem? or I still need the codes retrieved before making any decisions??????

Thanks a lot!!

Last edited by silverbimmer3; 04-01-2008 at 07:10 PM.
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  #2  
Old 04-01-2008, 08:25 PM
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KrisL KrisL is offline
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If the light is on, there are codes. There are plenty of codes that a standard ODB2 reader can't read. Find someone with a Peake or an independent mechanic with an autologic/GT1/Modic3...
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  #3  
Old 04-01-2008, 08:37 PM
Rajaie Rajaie is offline
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I doubt your problem is the vanos.

It would be useful if you had a code reader and read the codes before they erased themselves. I suspect you would get misfires and lean codes.

Try disconnecting the MAF. See if that resolves the problem. You can clean the MAF with CRC MAF cleaner. Be careful to not damage the wires on the sensor. Slowly spray to coat. Do not power wash.
Are you using an aftermarket engine air filter?

This could be a vacuum leak. When were the CVV and associated hoses last replaced?
Check your air intake boot for cracks or leaks. The small branch to the ICV is susceptible to cracking.

Clean your ICV, but that's no likely the problem.

How old is your fuel filter?

In the morning, start the car and listen under the hook for a whistle.

Hope this helps.
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  #4  
Old 04-02-2008, 05:58 PM
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silverbimmer3 silverbimmer3 is offline
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Thanks to you, Kris and Rajaie.

May I ask you what CVV, ICV mean? I know MAF=Mass Air Flow...

Thanks!!!
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  #5  
Old 04-02-2008, 06:44 PM
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crankcase vapor ventilation/idle control valve.
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  #6  
Old 04-28-2008, 04:31 PM
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silverbimmer3 silverbimmer3 is offline
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guys, I am not sure if I got the codes for morning shaking...

The only codes I got using my newly equiped PEAKE is: 15 92 91 EE

92: EVAP capillary leak (0.5mm) detected
91: EVAP small leak detected

These 2 codes do not sound like the ones for morning shaking...

Maybe the codes are already been erased????????

Any idea??

Thanks a million!!!!!!!!!!!!!!!!!!
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  #7  
Old 04-28-2008, 05:45 PM
Rajaie Rajaie is offline
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91 & 92 indicate a leak in the fuel evaporation system. This is often a gas cap not tightened or a bad gasket on the gas cap.
I wouldn't expect this to cause the shaking and the codes might be there all the time without a light.

EE is misfire on cylinder 1. This would cause the shaking and the light.

Make sure the sparkplug is installed properly.
Clear the codes and keep checking to see if it only occurs on cyl 1. If so, then swap cyl 1 sparkplug and coil with two other cylinders. See if the code moves to one of these two cylinders. That might help you figure out if it's the sparkplug or coil.
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  #8  
Old 05-19-2008, 01:58 PM
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silverbimmer3 silverbimmer3 is offline
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Replaced ignition coil for #1 cylinder, and the rough idle issue is dramatically improved.

However, it still runs rough (slightly) and I couldn't manage to bring up the light, so there are no more codes since I reset it using my PEAKE tool...

Any advise please??
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  #9  
Old 05-20-2008, 08:20 AM
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silverbimmer3 silverbimmer3 is offline
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code comes up again 15 EE.

still cylinder #1 misfire......

thanks for any advise.....
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  #10  
Old 05-20-2008, 04:44 PM
Lbert Lbert is offline
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Check the condition of the ignition coil electrical connector and also the ignition coil to spark boot connector.
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  #11  
Old 05-20-2008, 10:49 PM
Rajaie Rajaie is offline
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Maybe dirty fuel injector.
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  #12  
Old 05-21-2008, 08:50 AM
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silverbimmer3 silverbimmer3 is offline
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Used techron fuel injector cleaner and 12 gl. on highway...
still problem persists...

If it is the crankcase ventilation/oil separator issue, can I DIY???

I remember last time it cost me hundreds of dollars to replace this piece that connects 100 hoses together....

Thanks!!!!

Quote:
Originally Posted by Rajaie View Post
Maybe dirty fuel injector.
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  #13  
Old 05-21-2008, 10:12 PM
Rajaie Rajaie is offline
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I doubt the CVV and associated hoses are causing your problem.
You have a persistent cylinder 1 misfire.
This is going to be coil, sparkplug, or fuel injector.

Quote:
Originally Posted by silverbimmer3 View Post
Used techron fuel injector cleaner and 12 gl. on highway...
still problem persists...

If it is the crankcase ventilation/oil separator issue, can I DIY???

I remember last time it cost me hundreds of dollars to replace this piece that connects 100 hoses together....

Thanks!!!!
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  #14  
Old 05-22-2008, 07:33 AM
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silverbimmer3 silverbimmer3 is offline
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Thanks for the input, Rajaie...

As you know I have used the fuel system cleaner that I bought from wal-mart shortly before I brought up the code 15 EE.

Would you suggest a DIY on fuel injector cleaning?

All spark plugs are new, and the #1 ignition coil is also new, but not BMW factory one.

Quote:
Originally Posted by Rajaie View Post
I doubt the CVV and associated hoses are causing your problem.
You have a persistent cylinder 1 misfire.
This is going to be coil, sparkplug, or fuel injector.
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  #15  
Old 05-22-2008, 06:39 PM
Rajaie Rajaie is offline
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Here's a fuel injector cleaning method an owner wrote about. I have not tried this or heard of others that have.
http://forum.e46fanatics.com/showthread.php?t=526899

You might simply use a fuel injection cleaner with half the recommended fuel to get a double concentration.


Quote:
Originally Posted by silverbimmer3 View Post
Thanks for the input, Rajaie...

As you know I have used the fuel system cleaner that I bought from wal-mart shortly before I brought up the code 15 EE.

Would you suggest a DIY on fuel injector cleaning?

All spark plugs are new, and the #1 ignition coil is also new, but not BMW factory one.
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