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Could a leaking fuel tank filler neck cause the vehicle to jerk at higher speeds on a Nissan pathfinder.?
Wiki User
∙ 13y ago
Its very unlikely.
As fuel is pumped out of the tank, air needs to fill the remaining space. If the filler neck is leaking, air will easily enter the tank. Sometimes people have problems if the tank vent system is blocked, creating a vacuum in the tank, but you won't have that problem.
Jerking at high speeds sounds like a faster acting issue than fuel delivery from the tank. You could have blocked injectors, or bad spark plugs.
If you stomp on the gas at low speed, kicking the engine into high RPM, but still at low speed, does the engine jerk? If so, it could be an engine sensor problem as well.
The engine does not jerk when kicked down at any speed, but it does seem lacking in acceleration. I just had the crankshaft position senser (ref) replaced and 3 out of the 4 catalytic converters replaced due to clogging. I just bought this truck and I am having the fuel neck replaced as a recall item when the tank gets close to empty. Starting and idling are very smooth, and the jerking happens when the engine is warmed up and generally above 60 kmh ( 40 mph).
Wiki User
∙ 13y ago
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How do you fix a 1998 Nissan pathfinder fuel filler tube leak?
There is a current RECALL by Nissan for replacement of the fuel filler tube on the Pathfinders. I have a 1997 Model..but Nissan claims it was BUILT on November of 2006 as a 1997 model..they will not cover it !! Yours should be covered under this campaign. The recall started about Oct. 1, 2007. DEALERS WILL REPLACE THE FUEL FILLER TUBE ASSEMBLY WITH A NEW ONE WITH AN IMPROVED COATING PROCESS. THE RECALL IS EXPECTED TO BEGIN ON OR ABOUT NOVEMBER 26, 2007. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
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