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Code P053, Distributor Signal Interrupt: Notes

WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Code P053 is set if PCM does not receive distributor reference pulses from Ignition Control Module (ICM) for more than .4 second. Since PFI system requires ICM pulses in order to activate injectors, most occurrences of Code P053 will be accompanied by a stall.

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