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Welcome to United Bimmer Community - BMW Forum . You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today! If you have any problems with the registration process or your account login, please contact contact us. |
| E12, E28, E34, E39, E60 General discussion and technical help for all year 5 series cars. |
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03-20-2007, 10:44 PM
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#1 |
I Need To Tap Into Your Vast Knowledge Base
I Just Got My Cylinder Head Replaced In My 98 528i .....got It Back And It Ran Ok For About Two Days And Then It Started Hesitating And Idling Lower Than It Should..... And When It Is Cold It Takes About 6 Or 7 Tries To Get It To Stay Running......... What Could This Be..... I Need Your Help.......please .......Thank You |
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03-20-2007, 10:54 PM
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#2 |
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Has the ignition system been serviced? |
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03-21-2007, 05:38 AM
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#3 |
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Does the engine stabilize after a while? Is the check engine light on? What do the exhaust gases look like? Need more info, please.
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03-21-2007, 07:04 AM
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#4 |
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As Dski mentioned more info needed: 1) Check all your vac lines - connected, cracked, etc 2) Did you reuse spark plugs or install new? 3) Were all head bolts and external part(s) bolts re-torgued when hot? Also depending on mileage, if you just re-did the head - you might be pulling oil past the rings and oil fouling spark plugs. I'd be looking at things that expand when warm 1st. (vac hoses, gaskets) |
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03-22-2007, 02:53 AM
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#5 |
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125,000 miles it does stabilze after a while it use to only hesitate at red lights and stop signs then it started having instant loses of power for one split second then quickly recover doing this at 70 mph the check engine light is on ,I get a abnormal idling reading it does usually stablize after i get going my mechanic is checking the fuel system right now. he thinks maybe since it was sitting up for 2 months maybe the filter is dried out or something i going to check everything you guys suggested thanks for all your help so far talk to you soon |
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