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I suggest an Auto Electrician....... but you CAN do this.... BASICALLY it is a wire running from the Power Scource.... Ignition Switch,.... to the Tacho, then from Tacho to Distributor if it is a Petrol Vehicle, but a DIESEL is completely different..... THAT needs a Vacuum operated Tacho via the Injector Pump and I STRONGLY Recommend a Electrician for that..... Pain in the *** to fit to a Diesel.... I HAVE A diesel.....
It is P0202 and P0302 P0202 - Fuel Injector Circuit Malfunction Cylinder 2 Most likely cause a failed fuel injector or shorted wiring harness. P0302 is a misfire in cyinder #2 from the injector problem.
The fault code 53 is an ECM IMMOBILIZED ERROR. The immobilizer anti-theft system thinks the key is invalid. If it detects an error, it will; Disable the fuel injector circuit--- Disable the fuel pump circuit---Disable the ignition coil.
Code 53 will set when: 1- The Eectronic Control Module (ECM) does not receive the signal from the Immobilizer Control Unit (ICU) within 0.9 seconds when vehicle is stationary, or 1.8 seconds when vehicle is moving. 2- The ICU sends the ECM an incorrect release message more than 5 times. 3- The above conditions continue until the ignition is switched off.
Ignition Coil, or Crankshaft sensor going bad. Change your spark plugs and wires then see what happens. Or could be your injectors are clogged. Try some pour in the tank Fuel Injector Cleaner like STP. Any little debris can mess them up.