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sprinkles08, ASE Certified Technician
Category: UK Car
Satisfied Customers: 21413
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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The em warning light came on and speedo stopped at same

Customer Question

The em warning light came on and speedo stopped at same time. Any ideas?
Submitted: 4 months ago.
Category: UK Car
Expert:  sprinkles08 replied 4 months ago.

Hello and welcome to JustAnswer!

The most likely cause for the speedometer not working woudl be a loss of speed sensor signal, but an internal instrument cluster issue is possible.

The first step in diagnosing the problem is to use a scan tool or code reader to see what fault codes have set and turned the warning light on.

Do you know what codes have set?

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