Hello,
I have a Nissan Frontier which just quit one day. I narrowed it down to a fuel problem but have eliminated the fuel pump, fuel filter, and relay. There seems to be a break in the wiring between the fuel pump and the relay. Can anyone offer some assistance on where to check first since it will involve a lot of work.
Thanks in advance
You have not run a engine control module fault code test, this is key to finding the possible causes. Borrow or buy a OBD2 code reader and check the codes
SOURCE: Nissan Frontier torsion bar replacement
well it depends how you want to adjust it, if you want to lower it, back out the screw on the torsion key a couple of turns. raise, screw it in a couple of turns
SOURCE: 2000 Nissan Frontier Crew Cab 4x4 3.3L V6 - Cut off while driving
The problem with your truck is not the fuel pump. Its the sending unit for the pump, which is on top of the fuel tank and feeds POWER to the fuel pump. Nissan has a campaign for it, because those units corrode internaly inside of the connector, that sends power to the fuel pump to power it up. Have the dealer run DCS check , to see if you have a open campaign for the sending unit. If you do, it will be free of charge and in some cases the whole fuel tank needs to be replaced also. However, that may not be your problem. I have seen ECM/computer getting flooded by the heater box. There is a drain tube, that drains your heater box, that tube gets clogged up by debriss/stuff and that's when water has no place to go and it leaks on top of you ECM/computer and fries it. Have you noticed any wetness on pass. side floor?? Right by the fire wall. Check it and make sure that its dry/carpet area at the top of the carpet behind the glove box. If its wet, that's not good. Let me know what you have found and will take it from there. Is the "Check engine light on" by chance?? Let me know.
SOURCE: 1997 nissan frontier fuel filter location
If you engine is a 2.4 liter it's on the passenger side center of the engine compartment, the hoses from the fuel filter conncts to the throttle assembly . You may have to remove the air filter housing to see it. It is a round canister hoses held on with fuel line clamps. hope this helps
SOURCE: i'm looking for a fuel system diagram for my 1999
Get a noid light hooked up to the injector (Injectors) This will tell you if the injectors are getting the signal from the computer to let fuel out.
You can have a good fuel pump, and still no fuel if this signal isn't good.
On some vehicles, this signal starts from the distributor. (Module or hall effect)
SOURCE: Park break light stays on sometimes
The parking brake warning light also serves as a brake fluid low light. Check your brake fluid level, it might be just a little shy of the low mark which will cause the intermittent condition. Use the appropriate fluid (DOT 3 or 4) and don't fill to the full mark or the next time you get your brakes serviced it will be overfull. Also, check your brake lining thickness, as the pads wear the fluid level drops in the reservoir.
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