Does your guy's motors have a real slight ticky sound like a sewing machine during idle. I noticed it when i was filling it up last night, it was cold out but the motor was warm, it doesnt sound bad it just sounds like ticky valves, but the motor is running fine, well it is basically new....i wonder if i am just being parinoid!
sewing machine motor
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Yeah that noise scared me at first when I just got the truck, but after hearing it on every QX56, Mada and Titan I realized it was normal. Someone told me it was injector noise too, but not sure if they were right or not.scr38 said:
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At least it doesn't sound like a chain saw or model airplane like so many Civics do with those fart pipes.ramsey748 said:
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Well a fuel pump will have a loud consistent humming/ whining noise, not a ticking sound (Especially walbro pumps, those are LOUD). And it will also be near the back of the car (Most cars anyway). My oversized T-rex fuel pump on my Stang sounds like an RC car on crack.drcookie said:Was it fuel injectors or fuel pump? I notice some trucks (such as Chevy) has pretty loud fuel pump.
Anyway, that sounds normal.
As for the filling up thing....I just realized you said that. I hope you're not filling up your gas with the car running. Of course you shouldn't be pouring anything else in like oil etc while the car is running, but gas is a definite NO NO on our Armada's. They use some special vacuum feature to feed the injectors, so having the car running with the gas cap open will not only throw a check engine light, but could be messing up the fuel feed feature.
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Most cars yes, I do that all the time with my other cars…..but the Armada no. Try leaving your gas cap open and turn on your car...unless you have a tuning software you'll be making a trip to your dealer to have them turn off your check engine light.rp718 said:
I was told this by the sales person and one of the mechanics at Nissan when I wanted to swap out my gas cap for one with a lock.
They told me the whole pressurized vacuum thing the Armada/Titans use and how they have had a lot of problems with people swapping out their caps for the keyed ones that don't seal as well. And because they don’t' seal it causes issues with the fuel relay setup and throwing the check engine light.
I didn't care enough to go research it and find out how it really works, but I also don't feel like using my car as a guinea pig to find out. If you would like to try it, be my guest and let me know if they are right or wrong.
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I do this almost every time. Usually, I bark at the attendent if they try to correct me. The light turns on because periodically, the car runs a pressure diagnostic on the system to check for leaks. If the cap isn't on when it runs the diagnostic, it sends the warning. This will last for a hundred miles or so. Happened on my Infiniti once. As for Time bomb, get real. Only danger would be if you sprayed gas all over the place instead of in the tank. You pull up to a gas station, start up at a gas station. The fumes are no different then than when you are filling. The turn off rule is for grannies who do dumb things like the one who sprayed 120 gallons over her car claiming she was washing it.brysig228 said:
:dork:
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