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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 11-16-2013, 06:59 AM   #21
dmax
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Do you use premium gas from a reliable seller?

I believe that Techron is the only stuff you should put in your fuel. Try that. It won't hurt...maybe do two tank fulls back to back? (Get the bottle for the 20-gallon tank).

I don't think that will do it, for you, but it's something...anyway!

Also, you've done a lot of the stuff, already, but I don't know where you're at with other basics...air filter, plugs, VCG would be long overdue...

But, the popping could be gunk sticking up valves. The icv could be stuck still...I know you cleaned it but don't know how well. Did I miss if you did intake boots? Smoke test?

I can't help you with your 'live data' talk with jfoj...I probably should get some sort of software for my car too, but as it hasn't been complaining about anything, I'm afraid to ask it how it really is!

GL...hth
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Last edited by dmax; 11-16-2013 at 07:11 AM.
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Old 11-16-2013, 07:55 AM   #22
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Quote:
Originally Posted by Dice9309@yahoo.com View Post
Jfoj what live data do u need?
Lets start with Long Term Fuel Trim values at warm idle. If you are using Torque Pro, BE CAREFUL, as I think Torque Pro list Long Term Fuel Trim and something different, you should find the measurement listed as F/T in Torque Pro and post this information and any Pxxxx codes that you are getting.

Also provide Freeze Frame data that shows up as well.

The more data that we have the better.

But giving what you are dealing with, you should also start a visual inspection on ALL the obvious problems these cars have. Check out the 1st link below in my signature. I see you have covered a lot of the basics, however, you may have missed something and may need to recheck a few things. Make sure the lower intake boot is on correctly, easy to check by splitting the upper and lower intake boot and look down the inside of the lower boot and confirm the boot is fully slid on the throttle body.

Also concerned that with the "popping" you may have an intake valve problem with may require a compression and cylinder leakage test to confirm.

What is the history on this car? Does it have a manual or automatic transmission?
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299

Last edited by jfoj; 11-16-2013 at 08:06 AM.
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Old 11-16-2013, 08:00 AM   #23
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Thanks dmax!
I only pump premium since I've owned the car
Airfilter is a k/n cleaned ot with compressed air (pushing air from the inside out)
Spark plugs were changed at around 161 with ngk laser platinum bkr6equp
Ill do the vcg later this week
When I was running live data I would get on my fuel/air mix "(fuel system status) Closed loop using o2 sensor for fuel mix, (Secondary air status) from outside atmosphere or off"
Or
"Open loop due to system failure, from outside atmosphere"
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Old 11-16-2013, 08:02 AM   #24
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Automatic
Also no smoke test done haven't found anyone locally
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Old 11-16-2013, 08:13 AM   #25
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e46 Loud POP, Poor acceleration, Bogging. Please Advise

Disconnect the maf and start it and see. Could be the disa too.


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Old 11-16-2013, 08:14 AM   #26
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The history is really unkown to me bought it used woth just a few miles past 160k from a gentleman whps son had been using the car for school but the son got tired because it would fall apart on him. When I first got it it had a bad oil leak from the oil filter housing gasket n the kid had let it go like that for a while also came with ngk indium spark plugs but I changed because I didn't know how long they had been used n dumped oil after a few thousand miles.
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Old 11-16-2013, 08:15 AM   #27
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Ill upload a few videos today ill let it sit for a few extra hours n record start up
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Old 11-16-2013, 08:48 AM   #28
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Need Long Term Fuel Trim and Freeze Frame info.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 11-17-2013, 11:03 AM   #29
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ive got the data from torque pro but cant find out how to turn it into a graph.
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Old 11-17-2013, 11:13 AM   #30
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Lets start with the simple stuff.

What do the F/T readings show at warm idle?

What is the Engine coolant temp at warm idle?

Provide the Freeze Frame info as well.

Take a cell phone picture and upload if you do not want to write it all down, only problem is you need a 2nd phone!

Not sure if Torque Pro has a feature to upload screen shots, have not used mine in a long while.

Update, just click on the phone menu button while in a Torque screen and choose Share Screenshot. Same thing for Graphing, select phone menu, then Share. Email to yourself, then post here for comments.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299

Last edited by jfoj; 11-17-2013 at 11:21 AM.
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Old 11-19-2013, 08:46 AM   #31
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Mode $06 report generated by Torque for Android
================================================

Vehicle VIN: Not present
Vehicle Manufacturer: Unknown
Vehicle Calibration ID: 7500255
7503438

Unit and scaling information are not supplied with the data from the ECU for this type of vehicle. Consulting the manufacturers service book for this information is recommended.

Test report:
------------------
TID:$03 CID:$05
- Low sensor Voltage for switch time calculation
Min: 0
Test result value: 65,535
PASS
----
TID:$03 CID:$06
- Low sensor Voltage for switch time calculation
Min: 0
Test result value: 65,535
PASS
----
TID:$05 CID:$02
- Rich to Lean sensor switch time(calculated)
Min: 0
Test result value: 65,535
PASS
----
TID:$05 CID:$07
- Rich to Lean sensor switch time(calculated)
Min: 3,932
Test result value: 15,594
PASS
----
TID:$05 CID:$08
- Rich to Lean sensor switch time(calculated)
Min: 0
Test result value: 65,535
PASS
----
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Old 11-19-2013, 08:50 AM   #32
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Re: e46 Loud POP, Poor acceleration, Bogging. Please Advise

Here's the data

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Old 11-19-2013, 08:53 AM   #33
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Re: e46 Loud POP, Poor acceleration, Bogging. Please Advise

Long term fuel trim 1

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Old 11-19-2013, 08:57 AM   #34
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I know you are getting used to your Torque App.

I do not necessarily need graphs for the Fuel Trim.

Just need to know what the F/T for each bank is at idle to start with.

Also keep an eye on your coolant temp, appears a bit higher than I would expect. ADDED COMMENT- I see your location as Rio Grande Valley, tell me what your outside temp is when getting your engine temp readings. My temps this am are 42F, assume you were a bit higher when this info was gathered? But even so, you may need to look into your fans/fan clutch just in case? Get the car moving steadily down the road at 30-40 MPH and see where the temps move to.

Just use mental averaging. Numbers will always move around, just need to know things like the engine temp is consistently 96C or what ever the value is.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299

Last edited by jfoj; 11-19-2013 at 08:59 AM.
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Old 11-19-2013, 12:01 PM   #35
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Re: e46 Loud POP, Poor acceleration, Bogging. Please Advise

Ok when I get out of work ill drive home n get the ft values my temp was 73***186;f
Humidity 74%

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Old 11-19-2013, 10:56 PM   #36
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Re: e46 Loud POP, Poor acceleration, Bogging. Please Advise

My fuel trim after a short drive

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Old 11-19-2013, 11:25 PM   #37
jfoj
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Engine temp looks fine.

SO, need to figure out why there is no LTFT for Bank #1.

Bank #2 is high, most likely vacuum leak(s)?

Need to monitor the the Pre Cat O2 sensors to make sure they have Voltage activity.

Start looking at the intake boots, CCV and the vacuum plug on the rear of the intake.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299

Last edited by jfoj; 11-19-2013 at 11:28 PM.
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Old 11-19-2013, 11:41 PM   #38
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Re: e46 Loud POP, Poor acceleration, Bogging. Please Advise

Some times there is data n sometime no my o2 senors get what is attached but I usually see 0.4

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Old 11-19-2013, 11:47 PM   #39
jfoj
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You gotta do better than this.

Use the other gauge display that captures the Max and Min values and/or graph the O2 sensors from cold start for 4 minutes without driving the car.

Pre Cat O2 sensors, Bank # 1, Sensor #1, and Band #2 Sensor #1 should always be active after the first few minutes.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 11-20-2013, 12:16 AM   #40
Dice9309@yahoo.com
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Re: e46 Loud POP, Poor acceleration, Bogging. Please Advise

Got the 0.0 on all while deceleration
And the 0.7 & 0.9 while acceleration

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