If the fuse blows as soon as you turn on the key, undo the connector at the tank to the pump and put in a new fuse. Updated on March 5, 2019. The fuse was tied to the fuel pump/relay. They put in new fuse and it ran fine till this week. In April I replaced a fuel pump in my S10. I found the fuel pump fuse had blown. Conclusion.
Any suggestions?

Another cause of an ECM 1 fuse consistently blowing is a fuel pump problem. My car has 160000 miles. For instance, your ignition system might share its power source with the starter, fuel pump, fuel injectors, ignition control computer or that flashing skull … They put in new fuse and it ran fine till this week. 5 months later. The symptoms were that the missus beemer E36 318 1996 just stalled and stopped running only 1 minute after starting it. If this happens, the engine will crank and rev but never catch. If your fuel system isn't fitted with a test port, you can remove the fuel pump fuse and start the engine. Replacing the relay yourself is not any troublesome task to handle. drained filters and then reprimed fuel system. Blown 20a fuse blown on... Blown 20A fuse blown on fuel pump/relay (2001 Chrysler Sebring) I came to start my Sebring and the starter wouldn't engage. It continues to blow fuse and they can't figure out what the problem is. 2. When the fuel pump begins to fail it overheats, causing it to drain more amperage (amp); if the amps exceed the amount of amps the ECM 1 fuse allows, the fuse will blow. 2. However, if the relay is faulty, you may notice some problems with the car’s performance. Common causes of no fuel include a debris-filled fuel filter, blocked fuel line, blown fuel pump fuse, bad fuel pump relay, electrical faults in the fuel wiring pump wiring (opens, shorts or excessive resistance), a dead fuel pump, or simply a bad sender reading inaccurate fuel levels in a tank (surprised how often I … The fuel pump relay (FPR) is a small electrical component that controls the fuel pump's power supply. This indicates a problem with the fuel filter, fuel pump or fuel relay. He has certifications in automation and control technology. Contact Author. Automotive fuel pump | Source. Blown fuse One of the most obvious symptoms of a fuse or relay problem is a blown fuse. When a fuel pump completely malfunctions, fuel cannot reach the engine upon ignition. after replacing the fuse … I found a 20A blown fuse in the fuse box under the hood. My car has 160000 miles. Troubleshooting Symptoms That May Mean a Bad Fuel Pump. Replacing the fuel pump should correct this problem. pumped primer bulb to get back to harbor. Fuses are designed to handle a specified amount of amperage, and are designed in a way that if the set amount is exceeded, the fuse will literally blow to protect the circuit. Try it again, if the fuse pops then your short is before that point likely a chafed wire on the body. This may be due to a lack of continual fuel feed from the gas tank. It'll die after a few seconds for lack of fuel.

If the fuse stays good then the problem is in the pump harness or the fuel pump … If all it was/is a blown fuse then you have relieved the necessary fuel pressure to start your engine. Common causes of no fuel include a debris-filled fuel filter, blocked fuel line, blown fuel pump fuse, bad fuel pump relay, electrical faults in the fuel wiring pump wiring (opens, shorts or excessive resistance), a dead fuel pump, or simply a bad sender reading inaccurate fuel levels in a tank (surprised how often I see this one occur).

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