As with poor grounding, wiring issues can cause massive electrical problems. If the wiring harness is corroded, or there are breaks in the internal wires, the ECU can short circuit. Fuses can also blow, so it’s worth checking them out too. Bad wiring can also stop the ECU from receiving...
The Check Engine light is your car’s catch-all light. It can stand for just about anything that isn’t covered by one of your other car’s warning lights, so there’s no reason to panic just because it came on. That said, it means thatsomethingis wrong, so it’s a good idea to...
It cannot harness adequate power due to an incorrect ratio or burning of the air/fuel mixture. Due to weak engine power, the acceleration becomes slower. It does not respond as quickly as it should be whenever you step on the gas pedal. Bad Fuel Economy Any trouble with the engine is li...
The Toyota bulletin T-SB-0027-16 for 2010-2012 Prius models describes a vibration and tapping noise at a cold start that can be caused by a sticking EGR valve due to carbon buildup. The repair includes reprogramming the engine ECU, replacing the EGR valve and modifying the wiring harness. ...