Impulse Hatchback L4-1809cc 1.8L DOHC (4XF1-W) (1992)
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Fuel Filler Cap: Testing and Inspection
Fuel Tank Vacuum Relief Valve
1.
Wipe valve housing clean.
2.
Draw air through the tank side of the cap.
The valve should click, allowing air to pass through it.
3.
Inspect seal for deterioration or tears.
Replace fuel cap if it fails above tests.
