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Oldsmobile Aurora Tachometer Problem

9 messages,  Last post on Nov 05, 2009 at 12:47 PM

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#1 of 9 Tachometer Problem by 95cougar Jan 05, 2008 (4:57 pm)
I have a 2001 Aurora. Recently when I have been driving, there is a slight pause in the engine, then the Tach jumps up between 5000 - 8000 rpm. I don't think the rpm's are really that high as it sounds normal. Any ideas what this could be? Replies to this message: alean (Jan 22, 2008 4:06 pm) alean (Jan 22, 2008 4:08 pm) hannig43 (Feb 24, 2008 10:27 pm) tiberiusjones (Mar 28, 2008 6:43 am) jbm5 (Nov 05, 2009 12:47 pm) jbm5 (Nov 05, 2009 12:41 pm)
#2 of 9 engine quits by autobody Jan 12, 2008 (7:25 pm)
I have a 2001 aurora v6 I will be driving along when the car just quits all light are on but the car just shut down you have to put it in netural and restart it
#3 of 9 Re: Tachometer Problem [95cougar] by alean Jan 22, 2008 (4:06 pm)
Replying to: 95cougar (Jan 05, 2008 4:57 pm) Had tach jump problems with my '95 after the tranny was rebuilt and a new ECM installed at the same time; another ground wire solved the problem - but I think it was not a real solution, as after only 2,000 miles I need another (costly with labor) ECM. I think the tranny was rebuilt for the standard and not the autobahn package and it's electronically killing my tach and on-board computer. Hope this at least helps you start to troubleshoot.
#4 of 9 Re: Tachometer Problem [95cougar] by alean Jan 22, 2008 (4:08 pm)
Replying to: 95cougar (Jan 05, 2008 4:57 pm) I posted a response on the wrong message - see the next message down.
#5 of 9 2001 Aurora Tach Prob by hannig43 Feb 24, 2008 (10:27 pm)
Replying to: 95cougar (Jan 05, 2008 4:57 pm) The same exact thing happened to me yesterday, driving 65 then a slight pause/jerk, then the tach red lines but the car ran fine....have you found out anything? Replies to this message: tiberiusjones (Mar 28, 2008 6:43 am) jbm5 (Nov 05, 2009 12:47 pm)
#6 of 9 Re: 2001 Aurora Tach Prob [hannig43] by tiberiusjones Mar 28, 2008 (6:43 am)
Replying to: hannig43 (Feb 24, 2008 10:27 pm) You guys all need CPS (Crankshaft Position Sensors) replaced.   I just had it done - $164 - but my mechanic rocks and is not a thief.   Problem solved! And no more hesitation/missing on passing. Replies to this message: jbm5 (Nov 05, 2009 12:47 pm)
#7 of 9 95 Olds Aurora by jrp3 Jul 15, 2008 (9:16 pm)
Just bought a 95 olds aurora, niether the the tach or speedo work. I know they are electronic with some sort of sensor on the tranny, but have been trying to find a fuse panel diagram to see if there is maybe a fuse or relay that can be replaced?
#8 of 9 Re: Tachometer Problem [95cougar] by jbm5 Nov 05, 2009 (12:41 pm)
Replying to: 95cougar (Jan 05, 2008 4:57 pm) did you have this fixed   was it the crankshaft sensor?
#9 of 9 Re: 2001 Aurora Tach Prob [tiberiusjones] by jbm5 Nov 05, 2009 (12:47 pm)
Replying to: tiberiusjones (Mar 28, 2008 6:43 am) was this the fix   I have the same problem

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