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Join Date: Nov 2005
Location: Visalia, Ca
Posts: 1,327
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Wierd Mpg Gauge reading,.. hunh?
Just a lil while ago after coming from school and about a few mins after that i started my car and the mpg gauge Was jittering very fast like a Bee's wing. usualy it stay's solid when the engine is idling but It was jitterning while reving and the gauge reading high mpg and low mpg. Any ideas what it might be? Anyone else have/had this problem before.
It has been raining and i don't got a battery covery so i guess maybe somewhere a ground was a lil wet and was triping off teh mpg gauge? Thanks J 
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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03-20-2006, 09:30 PM
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Join Date: Jan 2006
Location: Connecticut
Posts: 44
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check for vacuum leaks. From what I remember that guage is controlled by the DME directly and not by vac, but if you have vacuum leaks that can bounce erratically.
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03-21-2006, 06:38 AM
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I think i Got most if not all vacuume leaks. ( still a few im sure ) To my knowlege this problem has only recently shown up. I Do remember the DME controlls it but i don't remember what sensors the DME uses to produce the ratings. I fear that may be my problme
 Will check the vac's over again tho just in case
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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03-21-2006, 07:54 AM
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Location: Connecticut
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I'll see if I can find the section in the factory manual about troubleshooting that guage when I get home. I ran across it yesterday looking for a problem with my car.
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03-21-2006, 08:03 AM
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awsome. ty
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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03-21-2006, 08:08 AM
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Location: Connecticut
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Ezra, PM me with your email and I'll send it to you.
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03-21-2006, 04:48 PM
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Done, you kik butt man
Thanks J
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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03-21-2006, 04:53 PM
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sent your way. let me know if you need anything else from the manual and I'll see if I can find it.
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03-21-2006, 06:32 PM
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Will do. Again thank's alot bro
Regard's J
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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03-21-2006, 09:17 PM
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Back from Beyond
Join Date: Nov 2004
Location: Alberta, Canada
Posts: 2,697
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How did this one resolve? I'd be interested to know because my MPG gauge sometimes gets confused.
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'88 944 Auto - project, kinda '87 944 Auto - died saving my wife '84 944 5SP - crushed under shop roof during snow storm All others GONE! |
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03-23-2006, 10:40 AM
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Still working on it. I still gotta Open the instructions packet sent me in my other computer ( detained at the moment ) will post as soon as i update it
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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03-23-2006, 10:54 AM
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Back from Beyond
Join Date: Nov 2004
Location: Alberta, Canada
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Thanks!
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'88 944 Auto - project, kinda '87 944 Auto - died saving my wife '84 944 5SP - crushed under shop roof during snow storm All others GONE! |
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03-23-2006, 11:16 AM
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