I have a tata safari 2.2 dicor, i have checked and cleaned the injectors too. all are working fine. but the MIL comes on. the ecu misses one cylinder. when i scan the OBD2 port it shows DTC P2147 "Fuel Injector Group "A" Supply Voltage Circuit Low". now what does this exactly mean? it behaves normal when i reset the codes. but when i switch off the car after come times the problem re appeares. please help.

Cars & Trucks - Tata - Aria - 2001 Tata Aria Coupe