What Does P0616 Mean? Regarding the P0616 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter. When you see P0616 engine fault code on your engine code reader this description will help you. engine code P0616P0616 fixobd P0616dtc P0616obd code P0616obd2 P0616P0616 car codediagnostic code P0616car code P0616check engine code P0616fehlercode P0616P0616 fiatcodigo P0616codigo falla P0616P0616 kody b??dówcodigo de falla P0616 What are the common causes of P0616 ? Faulty IMRC actuator relay (if equipped) A large air leak at or near the number one oxygen sensor would also cause a lean mixture. Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors. How do you troubleshoot P0616 ? The following are repairs that the mechanics might use when fixing the P0616 code in your vehicle: Replace blown fuses. Replace a bad battery or the battery cables. Check for shorted or open circuits. Check for issues with electrical connectors and repair them. Replace the ignition switch. Replace the starter. Searches related to P0616 - Starter Relay Circuit Short To Ground arctic cat p0616 starter relay circuit low p06e9 engine starter performance p0615 starter relay circuit p06e9 ford code p2106 ford p0161