Question about Mitsubishi Eclipse

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2001 spyder gs auto tach issue

The tachometer is just jumping around freely , even when the car is just turned over for aux power it jumps around

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  • Mitsubishi Master
  • 635 Answers

Check that the sensor that feeds info the tack is good.

Posted on Oct 14, 2013

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: 1995 Buick Riviera supercharged The tachometer

I had the same problem with stalling & found the throttle sensor helped. It was only a $15 part @ an aftermarket parts supplier. You'll need small fingers to get to the few screws holding it in place. Also make sure it's positioned correctly before installing & tightening the screws.
Good Luck!

Posted on Oct 20, 2008

  • 1509 Answers

SOURCE: 2001 s10 4.3 auto trans, tach jumps as it reaches

Timing chain Lose ? Altenator bad ? Disconect for a this and see if the problem goes away. Ciol arc ing insidide of its own case? Coil wire acring ? TSB about that on all 4.3 any plug wire arcing cap and rotor . less than delco cast less and have troble. injector plug go back on after good its easyer to bend a pin down than to get it right

Posted on Aug 12, 2009

  • 88 Answers

SOURCE: 1995 Honda Accord 2.7L V6 - Tach jumping/misfiring like crazy.

possible ignition coil itself because tachometer takes signal from ignition coil.you may also have check engine light on too.

Posted on Sep 15, 2009

  • 615 Answers

SOURCE: 2001 olds aurora. tach jumps to 8000rpm after car

replace the Crank Shaft Position Sensor.

Posted on Oct 12, 2010

  • 5522 Answers

SOURCE: car wont start even with jump cables

Just spinning the engine will not fix the problem. You need to know whether you are getting fuel or whether you are getting spark.
The fuel is easy. Get a can of starting fluid and briefly spray into the air cleaner 1 squirt and then try to crank the vehicle. If there is an attempt to run, you have fuel problems. If it does not attempt to run try 1 more squirt. No run means you have no spark.

It can mean there is a problem with the firing system, like timing belts or chain, or a dead coil. Your car may have Relays for both the fuel pump and the ignition.

Go to Autozone.com and register your car for free, then download the chassis wiring diagrams and fusebox layouts. Find the Relays. If you have no fuel, check the fuel relay. If you have no spark, check the Ignition relay. On American cars, the horn relay is often the same part number as the Ignition relay or the Fuelpump relay and can be switched.
The horn can be used as a test for the other 2 relays to find the bad one.

I hope my solution is helpful.

Posted on Apr 04, 2012

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Tachometer not working on my 95 Toyota pickup 4x4 jumping up and down


bad tach, seems .
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2001 olds aurora. tach jumps to 8000rpm after car


replace the Crank Shaft Position Sensor.

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I have a 2001 Pontiac Grand AM SE, 3.4 Liter V6 with 243,000 Miles. When trying to maintain a steady speed the car thrusts or pulses and I notice that the engine tachometer jumps. This condition occurs at...


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1995 Honda Accord 2.7L V6 - Tach jumping/misfiring like crazy.


possible ignition coil itself because tachometer takes signal from ignition coil.you may also have check engine light on too.

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2001 Dodge Stratus engine won't even try to turn over


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Car tach jumps and cover of air filter blew off.


It sounds like the engine "backfired" and blew the cover off. This and having the tach "jumping" means that the engine timing is erratic. This can be caused by the crankshaft position sensor or the ignition module. It could also be cross firing at the coil pack,if so equipped. Make sure all of the wiring to these components is good.

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