Contour L4-122 2.0L CNG DOHC VIN Z SFI (1996)
![background image](/ford/contour/l4-122_2.0l_cng_dohc_vin_z_sfi/Page-179011.png)
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Lean shift in fuel system operation - P0171 (Bank 1) and P0174 (Bank 2)
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Rich shift in fuel system operation - P0172 (Bank 1) and P0175 (Bank 2)
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Lean shift in fuel system operation - P0171 (Bank 1) and P0174 (Bank 2)
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Rich shift in fuel system operation - P0172 (Bank 1) and P0175 (Bank 2)