Idling problems - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
LinkBack Thread Tools Display Modes
#1 (permalink) Old 12-28-2009, 08:34 PM
n00b
 
Join Date: Dec 2009
Posts: 21
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
fro3and5series is on a distinguished road
(Thread Starter)
Idling problems

Everyone, I'm in need of assistance. I live in Chicago,IL,USA where it's cold but the car in question is in a reasonably climate controlled garage.

My wife's 1998 328ic (auto trans) was running fine yesterday, 12/27. Started up as it should and idling fine. Drove fine. Today, 12/28, my wife tried to start the engine and it wouldn't turn over. I tried it after work and was able to get it running, but only if I had my foot on the gas after ignition. Once I took my foot off the gas for the engine to idle, the engine cut out.

My car is all of a sudden not idling on its own. Is this an easy fix? I don't want to have this car towed to a shop if it isn't necessary.
Thank you
fro3and5series is offline  
Sponsored Links
Advertisement
 
#2 (permalink) Old 12-29-2009, 01:03 PM
n00b
 
Join Date: Dec 2009
Posts: 21
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
fro3and5series is on a distinguished road
(Thread Starter)
26 people viewed and not one person has had this? Please help!
fro3and5series is offline  
#3 (permalink) Old 12-29-2009, 03:28 PM
OMFG another one!?
 
witeshark's Avatar
 
Join Date: Aug 2004
Location: Miami FL
Posts: 14,697
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
witeshark is just really nice witeshark is just really nice witeshark is just really nice witeshark is just really nice witeshark is just really nice
Maybe the ignition system needs a look. A check of the distributor (if so equipped), a check of the leads could be a start. Also, how's the fuel pump and filter?

BMW

Sig by zeaq

Last edited by witeshark; 12-29-2009 at 03:33 PM.
witeshark is offline  
#4 (permalink) Old 01-02-2010, 04:57 PM
Neutral Member
 
nnamdi's Avatar
 
Join Date: Oct 2008
Posts: 57
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
nnamdi is on a distinguished road
Whats the latest Fro?
nnamdi is offline  
#5 (permalink) Old 01-03-2010, 04:18 AM
n00b
 
Join Date: Oct 2009
Location: Victoia, Australia
Posts: 17
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Jarrod90 is on a distinguished road
Possible Throtle Position Sensor faulty...?
Jarrod90 is offline  
#6 (permalink) Old 01-03-2010, 05:04 AM
42, The meaning of life
 
brettski's Avatar
 
Join Date: Jul 2009
Location: Melbourne, Australia
Posts: 2,405
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
brettski is just really nice brettski is just really nice brettski is just really nice brettski is just really nice brettski is just really nice
Was the car filled with gas before your wife drove it home and parked? If so it may be a contaminated fuel issue. Try checking out the fuel filter and see what the fuel delivery pressure is like, the electric fuel pump will only run for 2 seconds (roughly) when you first turn the key to the position II (before the starter engages), so you'll need to have someone do this for you. Disconnect the fuel rail and run the fuel line into a jar or tin, you should see a good stream of fuel whilst the fuel pump runs so make sure it doesn't go everywhere. You should also be able to hear the electric fuel pump whirr (humm) insert suitable description, during this time. Most modern fuel injected cars will use an electric fuel pump. You shouldn't need to turn the key to the start position to get the fuel pump to engage. I am not familiar with your car, so this may be total BS, and I don't mind being corrected. Good luck.
brettski is offline  
#7 (permalink) Old 01-03-2010, 05:35 AM
n00b
 
STREETRACER's Avatar
 
Join Date: Jan 2010
Location: South-Africa
Posts: 18
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
STREETRACER is on a distinguished road
check your iddeling control valve, or mabe a dirty airflow meter.. can also be your O2 sensors but doubt they will be the reason the car cuts out!!!

E36 M3 3.2 186kw @wheels 13.9s 1/4mile
www.streetracer.co.za Founder / Designer
STREETRACER is offline  
#8 (permalink) Old 01-04-2010, 06:18 PM
n00b
 
Join Date: Dec 2009
Posts: 21
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
fro3and5series is on a distinguished road
(Thread Starter)
Thanks for the info, however, I don't think I'll get to it until this weekend. My 9-5 job is more like 7-7 nowadays. Fuel filter is my first look. Is that an easy fix or am I kidding myself here? I know you guys are real gearheads or petrolheads, depending on where you're from, but is this something a novice (noob) handy man should do?
fro3and5series is offline  
#9 (permalink) Old 01-07-2010, 11:41 PM
n00b
 
612wade's Avatar
 
Join Date: Nov 2009
Location: minnesota, USA
Posts: 25
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
612wade is on a distinguished road
This problem needs to be diagnosed correctly first, before you start throwing money at guesses. Do the obvious checks for system operations, this car has many systems so persist to suceed. Sounds like a fuel delivery issue so start there.Check for correct operation at the outlet of the system and work backwards. You will know when you find the fault by working this way.
612wade is offline  
#10 (permalink) Old 01-19-2010, 02:01 PM
n00b
 
Join Date: Dec 2009
Posts: 21
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
fro3and5series is on a distinguished road
(Thread Starter)
I just got the ODB tool and it did not show any codes. Fuel delivery it is, I think. Any thoughts?
fro3and5series is offline  
#11 (permalink) Old 04-02-2010, 11:47 AM
n00b
 
Join Date: Dec 2009
Posts: 21
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
fro3and5series is on a distinguished road
(Thread Starter)
Hello, all!
For the pros, I first want to thank everyone for their responses. I do not have any pictures, but for my 98 E36 M52 engine, the process was much easier to complete than I had thought.
For the noobs, I fully recommend cleaning the MAF (mass air-flow sensor) once a year. Spend the $20 dollars for the premium contact cleaner. It's a $500 part new. It does make a nice performance impact, depending on how dirty it is. Second, Idle control valve (ICV). Clean it every time you do a tune up. Pulling it out sounds much harder than it is. Although, it may have been easier on an M52 engine than on an M42/M50. There is only one hose connected to the ICV for an M52 (connects under MAF rubber boot to ICV). The other end of the ICV is inserted directly into the manifold. All the diagrams I got from realoem.com showed the ICV with two hoses, not only one.

Because there was only one hose, I was able to get under the manifold to the part without pulling the whole manifold out. I didn't really feel like playing with fuel lines during my first under the BMW hood experience. Kudos to you who provided pictures.

Conclusion: As discussed in prior posts, the ICV was the problem, and wouldn't show up on a computer/DME/OBD Problem code. It was gummed shut, and thus my car was unable to breathe unless I had my foot on the pedal, opening the throttle bodies slightly to allow airflow. With large quantities of rubbing alcohol, q-tips, and an electric tooth brush, I was able to clean up the ICV.

UPDATE: The E36 idles very smoothly now, purrs like a kitten. We have since sold the car. But thank you all for your help. This simple maintenance saved me from having this car towed to the stealer for hundreds of dollars!

LESSONS LEARNED: This may be a simple one for experienced mechanics, but for those of us who are new to getting under a BMW hood, do NOT use Q-tips to clean out the ICV. I ended up getting the valve open but then some cotton came off and wedged the valve open. I was able to remove all of the cotton by using my electric toothbrush with a spare travel head (smaller than regular) and really clean out hte inside of the valve. After that, the valve sprung free and was able to swing back and forth freely.

Last edited by fro3and5series; 04-02-2010 at 11:55 AM.
fro3and5series is offline  
Sponsored Links
Advertisement
 
Reply

  BMW Forum - BimmerWerkz.com > BMW Model Specific Forums > 3-Series (E36)


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
idling help birdy1250 3-Series (E36) 3 03-16-2009 10:40 AM
idling problems/misfire sound !please help mhbmw328i 3-Series (E36) 6 10-04-2008 04:21 PM
Engine Problems - Idling Speed/revs davlam 3-Series (E36) 6 03-04-2005 12:15 PM
Idling issue bostonsports 3-Series (E21, E30) 5 05-09-2003 11:05 PM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome