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So I've been having a loss of power issue with my 2001 Jetta. There were three error codes all pointing to the needle lift sensor signal. I have replaced the wiring and the needle lift sensor itself (along with the injector). Before I was getting the glow plug light blinking and the CEL on. Since changing the sensor and wiring and driving 50 miles, I now just have the CEL. I'm getting the same error codes on the OBD scanner though. Needle lift sensor implausible signal, glow plug circuit malfunction and ignition regulation fault.

The car ran better after replacing the wiring and sensor, but still only at about 75% power. Any ideas?
 
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