Go Back   United Bimmer Community - BMW Forum > UnitedBimmer- Model Categories > E36
FAQ Members List Calendar Advertise With Us Mark Forums Read

E36 General discussion and technical help for (E36) 1992-1999 3 series cars. 318, 323, 325, 328.

Reply
 
Thread Tools
Old 01-28-2008, 11:17 PM   #1
gldfshkpr
 
gldfshkpr's Avatar

Name: gldfshkpr
Title: Member
Status: Offline
Join Date: Nov 2007
Location: CA
User not setup in Rate My Car.
Click here to set it up.
Your Ride: '97 318i M44 - Sedan
MAF sensor cleaner works then doesn't.

I've been trying to diagnose terrible misfire during idle. I'm suspecting all the usual culprits; crank case valve hose, crank case valve, dirty MAF, vacuum leaks down stream MAF, idle control valve, bad gas, bad ECU, hmm... what else.

Anyhow, after checking for obvious hose leaks, I figured I'd clean the MAF. After cleaning it the car idled great! It was closer to 1000 RPMs and smooth. After about 10 minutes of driving, (warmed up) the symptoms returned and my low idle (500-600 RPMs) with misfire returned.

To summarize;
1. Engine started after 1 day sitting in garage. Rough idle present, misfire city.
2. Cleaned MAF; car runs great after initial startup and runs great for 10 minutes.
3. Car is at normal operating temp and runs like crap with the misfires.

It really seemed like the MAF cleaner helped, temporarily. I'm no closer to figuring this out. This is my daily driver. I'm about at my wits end and desperately need this resolved. Any help is appreciated, even a bump!

133,000 on motor.

__________________
Peace,
Kirk


Hang up and drive.
  Reply With Quote
Old 01-28-2008, 11:22 PM   #2
witeshark
 
witeshark's Avatar

Name: witeshark
Title: Suspended License
Status: Offline
Join Date: Apr 2005
Location: Miami FL
Rate My Car: 84 / 340
Your Ride: 89 325i 5 speed
Any cracks in the intake tube to the manifold? That's what caused my car to do exactly that
  Reply With Quote
Old 01-28-2008, 11:28 PM   #3
gldfshkpr
 
gldfshkpr's Avatar

Name: gldfshkpr
Title: Member
Status: Offline
Join Date: Nov 2007
Location: CA
User not setup in Rate My Car.
Click here to set it up.
Your Ride: '97 318i M44 - Sedan
Nope. The boot has a few 1000 miles on it. That's it. It's fresh.
__________________
Peace,
Kirk


Hang up and drive.
  Reply With Quote
Old 01-29-2008, 06:15 PM   #4
Antiburn
 
Antiburn's Avatar

Name: Antiburn
Title: Senior Member
Status: Offline
Join Date: Apr 2005
Location: Jersey
Rate My Car: 193 / 340
Your Ride: 92 525, 88 325 hardtop'ed vert and 83 320iS
Maybe you just need a whole new mass air meter. They do go bad and cleaning it wont fix the problem. Only way to really tell is to get the propper diag equiptment hooked up and get a true fault read out. Then you will know the exact problem of your idle.
__________________
1992 525i, 1988 Hardtop'ed Vert and 1983 320iS
  Reply With Quote
Old 01-29-2008, 09:57 PM   #5
gldfshkpr
 
gldfshkpr's Avatar

Name: gldfshkpr
Title: Member
Status: Offline
Join Date: Nov 2007
Location: CA
User not setup in Rate My Car.
Click here to set it up.
Your Ride: '97 318i M44 - Sedan
Quote:
Originally Posted by Antiburn View Post
Maybe you just need a whole new mass air meter. They do go bad and cleaning it wont fix the problem. Only way to really tell is to get the propper diag equiptment hooked up and get a true fault read out. Then you will know the exact problem of your idle.
At $438.59 I hope not! By proper diagnostic equipment do you mean a voltage meter? I need to test my ICV as well. I cleaned it with the same result as the MAF sensor. Car idled great until it warmed up to operating temp. Then the RPMs dropped to 600 with misfires. I also have a Fuel Sys 2 CL-Fault, whatever that is.
__________________
Peace,
Kirk


Hang up and drive.

Last edited by gldfshkpr; 01-29-2008 at 09:58 PM.. Reason: sp.
  Reply With Quote
Old 01-30-2008, 01:53 AM   #6
Maxi
 
Maxi's Avatar

Name: Maxi
Title: Member
Status: Offline
Join Date: Dec 2007
Location: Qatif-Awam
User not setup in Rate My Car.
Click here to set it up.
Your Ride: BMW E46 328i 99
I have same like this prob. in my 325i, it's RPMs around 500-600 only, and much emissions ( no smoke, just bad smill ) from the exhaust coming. No vibration in the engine every thing seems fine with hoses.
the car performance is seems fine, I'm not sure about it. but I feel there is somthing wrong with that low RPMs and that much exhaust emissions, which seems to be caused by misfire.
I'll replace the sparkplugs and see the result.

Tell us if you solve your prob.
Thanks,
__________________
Maximum Power

Last edited by Maxi; 01-30-2008 at 01:56 AM..
  Reply With Quote
Old 01-30-2008, 10:33 AM   #7
johnnybayonne
 
johnnybayonne's Avatar

Name: johnnybayonne
Title: Suspended License
Status: Offline
Join Date: Jun 2007
Rate My Car: 254 / 340
Your Ride: 1997 328i
Hey! gldfshkpr, Did you try searching some other forums like,
http://forums.bimmerforums.com/forum/index.php

http://www.bimmerfest.com/
When I bought my car it had a problem code for a leaky emission tank! I counld not find it for anything, so I just kept searching the all BMW forums! Then I found somebody with a thread that had the same problem!!!
On the other hand when I installed my struts & springs I damaged 1 of the speed sensors. There was no way of telling which one it was, so I bit the BULLET & brought it to a bmw dealer shop just to get a diagnosis, they charged me 1 hour labor, which was $125.00 & told me that the left front speed sensor was not working. They wanted to do the job for $350.00. I DECLINED, paid the $125.00 & bought the sensor on-line for about $80.00 bucks & did it myself. So you have some options!!!

Last edited by johnnybayonne; 01-30-2008 at 10:34 AM.. Reason: t
  Reply With Quote
Old 01-30-2008, 12:34 PM   #8
gldfshkpr
 
gldfshkpr's Avatar

Name: gldfshkpr
Title: Member
Status: Offline
Join Date: Nov 2007
Location: CA
User not setup in Rate My Car.
Click here to set it up.
Your Ride: '97 318i M44 - Sedan
Quote:
Originally Posted by johnnybayonne View Post
Hey! gldfshkpr, Did you try searching some other forums like,
http://forums.bimmerforums.com/forum/index.php

http://www.bimmerfest.com/
When I bought my car it had a problem code for a leaky emission tank! I counld not find it for anything, so I just kept searching the all BMW forums! Then I found somebody with a thread that had the same problem!!!
On the other hand when I installed my struts & springs I damaged 1 of the speed sensors. There was no way of telling which one it was, so I bit the BULLET & brought it to a bmw dealer shop just to get a diagnosis, they charged me 1 hour labor, which was $125.00 & told me that the left front speed sensor was not working. They wanted to do the job for $350.00. I DECLINED, paid the $125.00 & bought the sensor on-line for about $80.00 bucks & did it myself. So you have some options!!!
I hear ya. I visit all those forums daily plus http://www.318ti.org - You and I think along the same lines. When I first bought the car in Nov '07 the first thing I did was take it to a Indie BMW/Mini shop in my town. I had them do the Inspection II and give me a list of repairs they wanted to make. I told them I wanted it like new. They came back at me with $2400 worth of repairs. I now have a list of things to do! Motor mount, RSMs, control arms, etc. No one can love your car as much as you. Besides, I don't have a disposable income. Thanks for the support! I'll let you all know how this turns out.

I've cleaned MAF and ICV. Next move is to replace the fuel filter on Saturday. I'll be sure to let you know the outcome.
__________________
Peace,
Kirk


Hang up and drive.
  Reply With Quote
Old 01-30-2008, 03:56 PM   #9
Numark318i
 
Numark318i's Avatar

Name: Numark318i
Title: has an empty wallet
Status: Offline
Join Date: Apr 2005
Location: The Only place in the world where people say "Hella"
Rate My Car: 125 / 340
Your Ride: ^^
I have read that if u temporarly disconnect the MAF sensor, and the car runs fine u know
its that. That is how they diagnose it
__________________
We all get the urge...Saturday early morning...nothing to do till noon... BMW FTW

The aural sensations of 1st gear WOT
**CGM **(Certified Garage Mechanic)
  Reply With Quote
Old 01-30-2008, 04:38 PM   #10
gldfshkpr
 
gldfshkpr's Avatar

Name: gldfshkpr
Title: Member
Status: Offline
Join Date: Nov 2007
Location: CA
User not setup in Rate My Car.
Click here to set it up.
Your Ride: '97 318i M44 - Sedan
Quote:
Originally Posted by Numark318i View Post
I have read that if u temporarly disconnect the MAF sensor, and the car runs fine u know
its that. That is how they diagnose it
Oh that sounds excellent. Do you mean disconnecting the electrical connection? That's a snap. Are you sure about this? I wouldn't want to damage anything.
__________________
Peace,
Kirk


Hang up and drive.
  Reply With Quote
Old 01-30-2008, 04:41 PM   #11
Numark318i
 
Numark318i's Avatar

Name: Numark318i
Title: has an empty wallet
Status: Offline
Join Date: Apr 2005
Location: The Only place in the world where people say "Hella"
Rate My Car: 125 / 340
Your Ride: ^^
u disconect it. Make sure u only run it for a min or two only. And no Erving. All it does is tell the ecu to make the default air/fuel
mix
__________________
We all get the urge...Saturday early morning...nothing to do till noon... BMW FTW

The aural sensations of 1st gear WOT
**CGM **(Certified Garage Mechanic)
  Reply With Quote
Old 01-31-2008, 09:25 PM   #12
gldfshkpr
 
gldfshkpr's Avatar

Name: gldfshkpr
Title: Member
Status: Offline
Join Date: Nov 2007
Location: CA
User not setup in Rate My Car.
Click here to set it up.
Your Ride: '97 318i M44 - Sedan
Quote:
Originally Posted by Numark318i View Post
u disconect it. Make sure u only run it for a min or two only. And no Erving. All it does is tell the ecu to make the default air/fuel
mix
Numark, I disconnected it and the car ran really badly. I guess that means my MAF sensor is doing something. Cleared the mass air volume code and reconnected MAF. Still runs really badly, worse than before. These cars are killing me with their computer on-top-of mechanics. All in the name of emissions.

Saturday I'm replacing the fuel filter. I'll go for a nice drive and see if I can get the MAF to talk nice to the computer again.

I love my car, I really do.
__________________
Peace,
Kirk


Hang up and drive.
  Reply With Quote
Old 01-31-2008, 09:42 PM   #13
Numark318i
 
Numark318i's Avatar

Name: Numark318i
Title: has an empty wallet
Status: Offline
Join Date: Apr 2005
Location: The Only place in the world where people say "Hella"
Rate My Car: 125 / 340
Your Ride: ^^
maybe bad O2 sensor? It might be running to rich hbecause thats bad?
__________________
We all get the urge...Saturday early morning...nothing to do till noon... BMW FTW

The aural sensations of 1st gear WOT
**CGM **(Certified Garage Mechanic)
  Reply With Quote
Old 01-31-2008, 09:52 PM   #14
gldfshkpr
 
gldfshkpr's Avatar

Name: gldfshkpr
Title: Member
Status: Offline
Join Date: Nov 2007
Location: CA
User not setup in Rate My Car.
Click here to set it up.
Your Ride: '97 318i M44 - Sedan
Quote:
Originally Posted by Numark318i View Post
maybe bad O2 sensor? It might be running to rich hbecause thats bad?
Sensors are @ 30k. I'm also running some Sea Foam through everything and see if that clears up some issues. I've heard nothing but positive results with that. O2 Sensors are one of my last resorts. I'll test them before I replace them. Thanks for your replies. It really helps to have this community for support. As much as I love my wife, she just can't engage in car talk.
__________________
Peace,
Kirk


Hang up and drive.
  Reply With Quote
Old 02-10-2008, 04:48 PM   #15
rainman73

Name: rainman73
Title: United Newb
Status: Offline
Join Date: Dec 2007
User not setup in Rate My Car.
Click here to set it up.
Your Ride: 1992 325i
Quote:
Originally Posted by Maxi View Post
I have same like this prob. in my 325i, it's RPMs around 500-600 only, and much emissions ( no smoke, just bad smill ) from the exhaust coming. No vibration in the engine every thing seems fine with hoses.
the car performance is seems fine, I'm not sure about it. but I feel there is somthing wrong with that low RPMs and that much exhaust emissions, which seems to be caused by misfire.
I'll replace the sparkplugs and see the result.

Tell us if you solve your prob.
Thanks,
MAXI have you changed the plugs already? I have the same problem although mine stays at 600 rpm but does skip every 30 to 45 secs. and Im also planning to do a plug change
  Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
E36 1994 heat only works on full blast. please help! APE36 E36 2 12-04-2007 07:14 PM
OK - getting codes, CHECK ENGINE light works, but it's not on! volvodefector79 E36 1 11-13-2007 05:46 PM
3.5" Maf Chad... E36 9 05-20-2007 08:43 PM
MAF sensor cleaner? Dudesky Non BMW General Automotive Discussion 0 03-03-2007 02:30 PM
Car not switching on, self works but doesnt start the car, plz help guy... djfactor E12, E28, E34, E39, E60 3 11-09-2006 06:08 PM


All times are GMT -5. The time now is 04:18 AM.

A vBSkinworks Design

 
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Copyright © 2005-2013 UnitedBimmer.com