Jeep Yj Fuel Pump Problems at Sarah Scoggins blog

Jeep Yj Fuel Pump Problems. If you suspect your pcm, ecm, ecu, or computer is bad in your jeep. My gas gauge is working, but the fuel pump isn't. The fuel pump isn't working. The asd primes the fuel pump for <2 seconds before cranking. Bypassed the relay to turn the fuel pump on and opened the bleeder valve on the tester. You can hear pump running, fuel comes out of the schrader valve at a rate of. Check for power at pin 30 and 87 of the fuel pump relay. The reason the fuel pump (and asd relay) lose the ground on the control side from the computer is the computer doesn't like. No 12vdc at the connector going to the pump. There is a baffle in the bottom of the tank that warps and can restrict fuel return to the tank, and will cause high pressures too. You can jumper pin 30 to pin. Check the fuel pump relay and auto shutdown relay. Your problem appears to be power related. I would highly suggest sending it to mark at wrangler fix:

The reason the fuel pump (and asd relay) lose the ground on the control side from the computer is the computer doesn't like. No 12vdc at the connector going to the pump. The asd primes the fuel pump for <2 seconds before cranking. If you suspect your pcm, ecm, ecu, or computer is bad in your jeep. Your problem appears to be power related. My gas gauge is working, but the fuel pump isn't. Check the fuel pump relay and auto shutdown relay. You can jumper pin 30 to pin. Check for power at pin 30 and 87 of the fuel pump relay. There is a baffle in the bottom of the tank that warps and can restrict fuel return to the tank, and will cause high pressures too.

Jeep Wrangler Fuel Pump Problems

Jeep Yj Fuel Pump Problems The fuel pump isn't working. There is a baffle in the bottom of the tank that warps and can restrict fuel return to the tank, and will cause high pressures too. The reason the fuel pump (and asd relay) lose the ground on the control side from the computer is the computer doesn't like. The fuel pump isn't working. You can jumper pin 30 to pin. I would highly suggest sending it to mark at wrangler fix: The asd primes the fuel pump for <2 seconds before cranking. If you suspect your pcm, ecm, ecu, or computer is bad in your jeep. Check for power at pin 30 and 87 of the fuel pump relay. Bypassed the relay to turn the fuel pump on and opened the bleeder valve on the tester. You can hear pump running, fuel comes out of the schrader valve at a rate of. Check the fuel pump relay and auto shutdown relay. My gas gauge is working, but the fuel pump isn't. Your problem appears to be power related. No 12vdc at the connector going to the pump.