gue$ is popular here, ok, cam sensor bad, bad fuel. Loose main fuse, to EFI , never tuned up, fuel pump relay bad. OMG, ASD relay drops out for 8 reasons, should i list all 8 ? nah , you can guess, or tests, one fixes cars other makes your broke fast. and soaked in fuel pulling the tank, there is never a need to pull tank if the fuel pressure tests, good, does it, the meter is only $20 but if
Voltageat pump power terminal must be within .5v of battery power when relay is turned on with amp meter at pin 22. Check power from battery if voltage is low. Check the inertia switch and fuse if battery voltage is missing. Pin 22- (light blue-orange) Grounded to turn "on". Voltage will drop to about 1v when "on".
Usinga multimeter, check to make sure relay is working properly. Terminal number 85 should have 12 volts when the key is turned to the run position. If your unit is not equipped with a STK/sump bowl, the factory fuel module supplies the FASS pump. Factory fuel modules are equipped with a filtering screen which, over time, can become
Thefuel pump primes when the ignition switch is in run. If you want to jump the fuel pump relay it will be pin 30 to 87. Viewing the fuse box from the my stated perspective places them at the top right and bottom left, or the pin holes closest to the mega fuse. Check all your grounds.
Thedouble relay or combi relay as it's sometimes called resides on the left side of the firewall in a fuel injected bus. It's also called the fuel pump relay but that's an oversimplification. It's mounted below the series resistors that power the fuel injectors and two plugs connect to the bottom. The plug on the right contains wires from the
PCMRelay: 9: 20: Fuel Pump Relay and RAP Module: 10: 15: Horn Relay: 11: 15: Parklamps Relay and Main Light Switch: 12: 30: Mam Light Switch and Multifunction Switch: 13: 15: Heated Oxygen Sensor, EGR Vacuum Regulator, EVR Solenoid, Camshaft Position Sensor (CMP), Canister Vent Solenoid: 14: 30: Alternator Voltage Regulator: 15 — Not Used
Afterrun coolant pump: 1/6: Fuel pump relay left: -2/3: Secondary air pump relay 2: 2/4-2/5-2/6: Vacuum pump: 19: Fuel pump relay right: 20: Starter relay term.50: Learn more: How to check the fuses? How to replace a blown fuse? Why do car fuses blow? Types of automotive fuses. Search for: Search
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    • when a fuel pump relay is bad