Instrument Cluster not working properly

kowallj

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Hi everyone, we just bought our second Aztek, a 2004, and the instrument cluster is not properly working! The speedometer, the cold/ hot gauge, and the odometer are working fine but the gas gauge, the tachometer don't work at all. When the fuel gets low the low fuel light warning light DOES come on. Any suggestions of what the problem might be?
 
the problems with the gas gauge and the tachometer maybe related, bad stepper motors, or they maybe totally independent. Determining whether the tachometer is receiving a signal would tell you which is the problem but leaning towards the stepper motors. Read this article
http://www.agcoauto.com/content/news/p2_articleid/150
 
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