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Home >> Chevrolet >> 1998 >> Forward Control P30, 6.5 F, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - Tests W/Codes - 7.4L) >> Diagnostic Trouble Codes >> DTC P1134 - Ho2S Transition Time Ratio Bank 1, Sensor 1 >> Circuit Description

Circuit Description

WARNING: This page is about a different variant/trim than selected.

This diagnostic test is used in conjunction with HO2S bank 1, sensor 1 slow response diagnostic test P0133. Ratio of response times that were calculated are compared to calibrated limits. If number of lean to rich and rich to lean transitions were zero, ratios will be set to zero. Otherwise, ratio is calculated based on which average response time was greater.

Conditions for setting DTC:

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