How to Replace a Miata Fuel Filter
Drive the rear of the Miata onto ramps., Remove the fuel cap to remove pressure from the fuel line., Disconnect the negative terminal of your battery., Situate yourself under the rear bumper., Remove the Miata fuel filter cover, which is attached...
Step-by-Step Guide
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Step 1: Drive the rear of the Miata onto ramps.
Place chocks under the front wheels in both directions to prevent the car from moving. , Start the engine and remove the cover from the steering column.
Remove the fuel pump relay fuse under the dash near the steering column.
The female clip of the relay is yellow, but the rest of the relay is dark.
The engine will stall and depressurize the fuel line to prevent gasoline from spraying when you disconnect the filter., The negative terminal is black, printed with the letters "NEG" and marked by a minus (-) sign., Locate the fuel filter toward the middle, in front of the rear passenger-side wheel, toward the center of the car., Use a cross-tip screwdriver to remove them part way, then gently pull them out.
Note the position of the cover so you can easily reattach it.
Place a pan under the filter to catch fuel. ,, Use a screwdriver to slide the fuel lines off.
Clamp the rubber fuel lines with vise grips to prevent fuel from leaking before you slide the lines off the filter.
Don't clamp the metal parts of the lines to avoid damage.
Alternatively, plug the line with a pen or golf tee after you remove the rubber hoses. ,,,, Reattach the battery terminal., Put the ignition key in the on position, but don't start the car.
This will allow the fuel pump to work without turning on the car, and the fuel line will repressurize.
Turn off the key after 15 seconds and pull the wire from the diagnostic connector. , Look on the ground underneath the car for fuel.
If you see gas, you have a leak.
Review to ensure the filter is correctly installed., Tighten the gas cap. -
Step 2: Remove the fuel cap to remove pressure from the fuel line.
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Step 3: Disconnect the negative terminal of your battery.
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Step 4: Situate yourself under the rear bumper.
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Step 5: Remove the Miata fuel filter cover
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Step 6: which is attached with 5 plastic screw clamps.
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Step 7: Use a 10 mm (13/32-inch) socket to remove the bolt that secures the clamp holding the fuel filter to the car.
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Step 8: Use pliers to loosen the hose clamps attached to the fuel filter.
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Step 9: Place the new fuel filter in the bracket and connect both ends of the filter to the rubber fuel-line hoses.
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Step 10: Use pliers to tighten the hose clamps.
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Step 11: Tighten the bolt on the clamp holding the fuel filter.
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Step 12: Plug in the fuel-pump relay fuse and reattach the plastic cover on the steering column.
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Step 13: Re-establish pressure in the fuel system by bridging the fuel pump (F/P) terminal to the ground terminal in the diagnostic connector under the hood.
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Step 14: Start the car and check the fuel filter for leaks.
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Step 15: Replace the fuel filter cover.
Detailed Guide
Place chocks under the front wheels in both directions to prevent the car from moving. , Start the engine and remove the cover from the steering column.
Remove the fuel pump relay fuse under the dash near the steering column.
The female clip of the relay is yellow, but the rest of the relay is dark.
The engine will stall and depressurize the fuel line to prevent gasoline from spraying when you disconnect the filter., The negative terminal is black, printed with the letters "NEG" and marked by a minus (-) sign., Locate the fuel filter toward the middle, in front of the rear passenger-side wheel, toward the center of the car., Use a cross-tip screwdriver to remove them part way, then gently pull them out.
Note the position of the cover so you can easily reattach it.
Place a pan under the filter to catch fuel. ,, Use a screwdriver to slide the fuel lines off.
Clamp the rubber fuel lines with vise grips to prevent fuel from leaking before you slide the lines off the filter.
Don't clamp the metal parts of the lines to avoid damage.
Alternatively, plug the line with a pen or golf tee after you remove the rubber hoses. ,,,, Reattach the battery terminal., Put the ignition key in the on position, but don't start the car.
This will allow the fuel pump to work without turning on the car, and the fuel line will repressurize.
Turn off the key after 15 seconds and pull the wire from the diagnostic connector. , Look on the ground underneath the car for fuel.
If you see gas, you have a leak.
Review to ensure the filter is correctly installed., Tighten the gas cap.
About the Author
Sophia Phillips
Brings years of experience writing about hobbies and related subjects.
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