Fuel and speedometer

2001 VOLKSWAGEN POLO
35,255 MILES • 1.4L • 4 CYL • 2WD • MANUAL
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DAGAI
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  • 9 POSTS
Recently had engine overhauled, after that the petrol gauge function is messed up, moves up and down as you drive and speedometer not working at all. Someone said I must check the earth wiring, but where do I find them in the engine area?
Nov 13, 2017 at 1:54 PM
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STRAILER
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I would start by checking the fuses. here is a guide and some diagrams to help us get started. The grounds for the system are located in the engine compartment. Make sure you have a ground cable or strap going from the engine to the frame.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Please let us know what happens.

Cheers, Ken
Nov 14, 2017 at 11:25 AM