93 Civic gas needle inaccurate
Recently, I replaced the fuel pump, the strainer, and sending unit. Still, when I make a right turn or cornering right, the gas needle starts to lower dramatically, resulting in sometimes rising back to the regular spot. This problem is really aggravating and seems like when i shift soundly,and accurately, the needle just lowers.
I noticed another problem this weekend when I traveled about 200 miles from Miss to Bama. Once I reached around 75-90 mph my car would start to sputtering like its losing power like it wants to die. I don't know what would cause this problem. I thought it would be the gas I chose so I stopped and added some fuel injecton/carb cleaner by STP. Still it did the same thing.
Upon returning home, I added some Shell gas inwhich I noticed the same results.
I noticed another problem this weekend when I traveled about 200 miles from Miss to Bama. Once I reached around 75-90 mph my car would start to sputtering like its losing power like it wants to die. I don't know what would cause this problem. I thought it would be the gas I chose so I stopped and added some fuel injecton/carb cleaner by STP. Still it did the same thing.
Upon returning home, I added some Shell gas inwhich I noticed the same results.
Did you replace the fuel filter under the hood? If there's crud in the tank it could clog up repeatedly. Did you notice crud in the tank when you took the pump out?
You can check fuel flow by disconnecting the fuel return line from the regulator (not the filter stuff, the regulator is on the other end (driver's side) of the fuel rail). Disconnect the hose where it connects to the metal line at the firewall that goes back to the tank. Direct the end of the hose into a container and turn the key on but don't start. There should be a good stream of gas when the pump primes. If it just dribbles there's a problem and the engine is going to starve for gas at high speed.
The needle is going to move as the gas sloshes around in the tank. That is normal.
You can check fuel flow by disconnecting the fuel return line from the regulator (not the filter stuff, the regulator is on the other end (driver's side) of the fuel rail). Disconnect the hose where it connects to the metal line at the firewall that goes back to the tank. Direct the end of the hose into a container and turn the key on but don't start. There should be a good stream of gas when the pump primes. If it just dribbles there's a problem and the engine is going to starve for gas at high speed.
The needle is going to move as the gas sloshes around in the tank. That is normal.
Last edited by mk378; Feb 11, 2013 at 08:02 PM.
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