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GMC
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2020
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Terrain Denali, FWD
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Different variant/trim
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Section 6 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (1 Of 2))
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Diagnostic Information and Procedures
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DTC P0191 or P0192
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Diagnostic Aids
Diagnostic Aids
WARNING:
This page is about a different variant/trim than selected.
A high resistance condition on the fuel pressure/temperature sensor circuits could cause a DTC to set.
Inspect for a contaminated fuel system.