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Speedometer stopped working after replacing exhaust manifold


NAXJA Forum User
My Speedometer stopped working after replacing the exhaust manifold. Could this be related to the electrical connectors or vacuum lines I had to disconnect while removing the manifolds? Or, is it just a coincidence?

After doing some research, I replaced the vehicle speed sensor. Still not working.

97 XJ 4.0 415K miles
Thanks! I hate checking wires, but you were right. I traced the wiring into the engine bay and discovered that the end of the fuel rail had cut into a bundle of wires and was shorting out one of the speed sensor wires. It's working now.