My Car Lurches When Cold And Driving - 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.

 
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#1 (permalink) Old 10-15-2004, 07:53 AM
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My 92 BMW 318i runs really crappy when it is cold. It idles a little speratic and when driving it lurches something feirce. When it is warm it runs like a champ. I was wondering if any one has an idea of where to start or any info on this matter
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#2 (permalink) Old 10-15-2004, 11:33 AM
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you might want to check the TPS, throttle position sensor.
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#3 (permalink) Old 10-15-2004, 12:00 PM
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My car has done that lurch thing a couple times during the morning when it's cold but only in first gear. If I shift smoothly and give it gas smoothly, the lurching never happens though.
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#4 (permalink) Old 10-15-2004, 01:30 PM
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This might be a long shot, but I would suggest checking the spark plug boots, about a year ago my car had a very bad sputtering problem and it ended up being all 6 of my spark plug boots...

-1998 BMW 540i6(Axis Penta 20's,M5 shadow grilles,trunk lip,led tails,oem front lip,PIAA lighting)
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#5 (permalink) Old 10-15-2004, 01:32 PM
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Quote:
My 92 BMW 318i runs really crappy when it is cold.
Chit, if I were a car and I was left out in the cold while you were up in a heated house, I'd be running a little crappy too. Don't you got no shame man? That car is supposed to be cared for like it's one of your own.. How could you leave it out in the cold like some POS Ford Focus.


Quote:
It idles a little speratic and when driving it lurches something feirce.
Man you lucky it didn't biotch slap you in the face with the steering wheel.. It was just trying to shake ya up a little.. It dont mean no harm.

But seriously, I think you ought to just take it to a shop, have them check everything out.
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#6 (permalink) Old 10-16-2004, 10:55 AM
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ok update for my prob. When the engine is cold it starts fine and runs fine for about 5 minutes. then it starts idling really ruff an bucks really hard. I have some intel it may be the 02 sensor but i want to explore some other options before tearing into it. ghead
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#7 (permalink) Old 10-16-2004, 10:58 AM
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Hmm..Check Engine loght should come on if its the O2...

Hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm...
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#8 (permalink) Old 10-16-2004, 12:21 PM
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Quote:
Originally posted by DeefNDorf@Oct 16 2004, 08:58 AM
Hmm..Check Engine loght should come on if its the O2...
[snapback]212216[/snapback]
Not necessarily, you could have a bad O2 sensor and the check engine light won't come on. I had a bad O2 sensor and my engine light never came on until I actually cut the wire to the O2 sensor to get it out....it was easier to get the sensor out without the wire there.
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#9 (permalink) Old 10-16-2004, 12:30 PM
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Yeah, about the ck eng light. that side of my console don't work so I couldn't say. I just got the car and am trying to work the bugs out.
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#10 (permalink) Old 10-16-2004, 01:04 PM
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check my latest post out - this is the second time my car has lurched and kangarood and both times it was a split hose or rubber boot!

Check all you hoses and pipes around the throttle body and 02 sensor - I saved 700 dollars today

J...

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