The car has had a history of fuel - delivery problems last year, requiring the
new fuel pump relay and pump itself.
(If the fuel pump fuse was blown, it wouldn't run at all) A
fuel pump relay with burned contacts would pass a small amount of current, but probably...
The core of the problem is a bad
fuel pump relay in the Totally Integrated Power Module; the relay is subject to getting hot, deforming and failing, which cuts off the fuel pump and causes the vehicle to stall.
Electrical Problem 4 Cyl Two Wheel Drive Manual 7000 Miles Cant Find
Fuel Pump Relay On Frontier, Can U Tell Me Where It Is Located?
(If the fuel pump fuse was blown, it wouldn't run at all)
A fuel pump relay with burned contacts would pass a small amount of current, but probably run the fuel pump at an inadequate speed.
Fuel pump pulsator,
electric fuel pump relay, windshield washer pump and motor, power seat cable / transmission / solenoid, engine cooling fan relay / thermo - sensor, transmission control spark switch, radio / audio, radio speakers, speed sensor, resistors, other relays, other modules, fuseablelink, neutral safety switch and turn signal flasher / hazard flasher.
The Problem: In SUV models with either the 3.6 - liter V - 6 engine or the 5.7 - liter V - 7 engine, a deformed contact spring could cause
the fuel pump relay in the Totally Integrated Power Module to fail, preventing the vehicle from starting or possibly causing a stall.
If that is working okay (it's getting voltage and running) then you should check
your fuel pump relay.
I've read a lot about this problem and it all leads to
the fuel pump relay.
A Ground wire to
fuel pump relay is the problem.
The Fix: Dealers will replace
the fuel pump relay with a new part that is external from the power module free of charge.
The fuel pump relay is on the fascia fuse box, behind the glove box.
The wire runs from the ECU to
the fuel pump relay.
I tried swapping out
the fuel pump relay for a fresh one.
I've already put some money into it, I got the fuel pump,
fuel pump relay, the alternator, ecm, and purge valve fixed.
What symptoms are leading you to
the fuel pump relay?
The lack of signal could also prevent
the fuel pump relay from activating and priming the fuel lines.
As for me I suspect
the fuel pump relay.
I also was thinking about
a fuel pump relay but I remember that if for some reason the fuel pump relay fails it uses the oil pressure switch circuit to power the pump.
Cheap checks are
the fuel pump relay.
In that case your problem may not be limited to
the fuel pump relay in that case.
I lost
the fuel pump relay, so moved the one for the electric trunk release into the fuel pump spot.
Several folks online suggested that Hondas and Acuras often have trouble with
their fuel pump relays in the heat, and suggested that replacing the fuel pump relay might be a good start to diagnosing the issue.
Removed
the fuel pump relay, hooked it up to a 12V power source, and checked that the circuit was completed as it should have been.
Basically, it was going bad and would occasionally not let the car start, or cut power to
the fuel pump relay while driving.
Independent of the starter motor,
the fuel pump relay should also «click» when the key in the ignition is turned to the «On» position:
I wanted to install
a fuel pump relay, I was told they either work or they don't.
The power in the in pins 1 and 3 proves that fuse 19 is OK and that the PCM will turn on PGMFI relay # 1 and further that said relay will supply power to
the fuel pump relay (PGMFI relay # 2).
Fuel pump relays are common to fail those years, since they are in integral part of the fuse box, i have seen people wire around them and hotwire the fuel pump, which causes your exact issue.
You remove
the fuel pump relay when you crank the car after sitting for prolonged periods to keep the car from starting.
While the vehicle is running,
the fuel pump relay turns off and the fuel pump is powered by the oil pressure sending unit.
Hello,
the fuel pump relay is located left front strut tower engine area.
Check
the fuel pump relay and see if it is clicking on when the key is turned on.
If the vehicle's computer is functioning normally, the mechanic may need to replace
the fuel pump relay.
If the vehicle's computer is having difficulty providing consistent power to
the fuel pump relay, the computer may need to be reprogrammed or replaced.
If the mechanic suspects an issue with
the fuel pump relay, he or she should check the vehicle's computer for a problem.
The fuel pump relay and fuel pump have been replaced and the engine still doesn't receive fuel.
The fuse for
the fuel pump relay will be close to the relay.