Having problems with your Chevrolet S 10 ?
Stop at gas station after driving 250 miles in my 2000 s10 extreme and pump shuts off like tank is full after 3 gallons of gas go in...should take 11 or so gallons. Also gas gauge stays on full and will drop off to empty and pop back up to full no matter how much gas is in the tank. Gauge usually stays pegged at full for the most part. The gas gauge has been this way for many months without the gas fill up problem which is my main concern just thought it might help with the solution.
Sounds like you have a restriction in the fuel inlet pipe,( maybe air locking) also your tank sender unit neads replacing to fix you gauge fault, or it maybe that it has something that is not alowingf it to move freely inside the tank, have a good look inside when low on fuel. through the hole where the sender is fitted.
Repair Help & Product Troubleshooting for Chevrolet S 10
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