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P0053 Diagnostic Trouble Code Discussion for March 2009

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance

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Trouble Ticket Help Requests for DTC P0053
Help Request Posted
1994 Cadillac DeVille 4.9L Surge, MIL Lamp on VIN: 1G6KD52B0R
P0053: distributor signal interrupt. code 41 will not reset and the service engine service soon light stays lit. any help would be great
March 23, 2009
1995 Cadillac DeVille 4.9L No Start, Stall VIN: 1G6KD52B7S
P0053: Distributor signal interrupt. Voltage drop test ground from battery neg to motor and body with head lamp .003.Added ground to distributor. Only stalled and no start once on me.At that time I never lost voltage to distributor and had no ref or est. Drop test grounds to pcm (4 pins)no drop. ...
March 30, 2009