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05-16-2006, 05:43 PM
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#1 | |
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AF Newbie
Join Date: May 2006
Location: Okemos, Michigan
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Dash Malfunctioning!
The dash in my 1991 oldsmobile 98 is flashing false warning signs, sometimes it switches to km/hr and you can't change it back. Any idea how to fix this or what could be wrong?!?!
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05-16-2006, 07:44 PM
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#2 | |
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AF Enthusiast
 
Join Date: May 2002
Location: Joplin, Missouri
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Re: Dash Malfunctioning!
I'd guess your ECM (engine control module) or "brain" is going south.
__________________
-Eric 89 LeSabre T-Type: CAI, STB, F41 Suspension, Moog Ball joints and tie rods, dual-out flowmaster and dual tips, Pointiac CD HU, Delco type 2 Ignition, etc. Basic H/C body info:http://www.3800power.bravehost.com/index.htm http://www.cardomain.com/ride/2318168 |
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05-16-2006, 08:54 PM
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#3 | |
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AF Newbie
Thread starter
Join Date: May 2006
Location: Okemos, Michigan
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Re: Dash Malfunctioning!
i've tried replacing the ECM, that wasn't the problem..
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08-11-2006, 05:42 PM
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#4 | |
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AF Newbie
Join Date: Aug 2006
Location: East Palo Alto, California
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Re: Dash Malfunctioning!
My dash always malfunctions, but not like you are describing. The odometer goes crazy sometimes. Sometimes I can read it, sometimes I can't.
So, what is the ECM, and what does that entail to replace? Is that expensive? Thanks |
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08-12-2006, 08:35 PM
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#5 | |
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AF Enthusiast
Join Date: May 2002
Location: Joplin, Missouri
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Re: Dash Malfunctioning!
The ECM is the "engine control module" and it controls all the electonics in the car (aka the "brain"). A reman'ed ECM is around $50 offa Ebay and it is located behind the passenger side hush panel under the glovebox.
If the ECM isn't the cause, then I would say that the connections to the dash need to be cleaned, or the dash cluster itself is going bad. That or the sensors sending information to the dash are faulty.
__________________
-Eric 89 LeSabre T-Type: CAI, STB, F41 Suspension, Moog Ball joints and tie rods, dual-out flowmaster and dual tips, Pointiac CD HU, Delco type 2 Ignition, etc. Basic H/C body info:http://www.3800power.bravehost.com/index.htm http://www.cardomain.com/ride/2318168 |
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09-14-2006, 07:12 PM
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#6 | |
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AF Newbie
Join Date: Aug 2006
Location: East Palo Alto, California
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Re: Dash Malfunctioning!
I bought an ECM off Ebay for $40! Thanks for that idea!
However, I guess we need it reset for our car or something like that. Do I have to take it to a dealer to get this done? Or is this something we can do ourselves? Thanks! |
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09-14-2006, 11:58 PM
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#7 | |
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AF Enthusiast
Join Date: May 2002
Location: Joplin, Missouri
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Re: Dash Malfunctioning!
No, you dno't need to reset it or anything. Assuming the ECM you got has the correct PROM chip in it, all you have to do is swap them out.
__________________
-Eric 89 LeSabre T-Type: CAI, STB, F41 Suspension, Moog Ball joints and tie rods, dual-out flowmaster and dual tips, Pointiac CD HU, Delco type 2 Ignition, etc. Basic H/C body info:http://www.3800power.bravehost.com/index.htm http://www.cardomain.com/ride/2318168 |
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09-16-2006, 08:00 PM
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#8 | ||
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AF Newbie
Join Date: Aug 2006
Location: East Palo Alto, California
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Re: Dash Malfunctioning!
Quote:
Thank you! |
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