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Home >> Pontiac >> 2010 >> Solstice Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 2.0L - DTC P000A To DTC P0238) >> DTC P0191, P0192, or P0193 >> Conditions for Setting the DTC >> P0191 Low Rationality Test

P0191 Low Rationality Test

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The fuel pressure during engine cranking is less than 120 kPa (17.4 psi), then the engine continues to run for 30 s after the start occurred and DTC P0087, P2178, or P2188 is set.