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P0071 Diagnostic Trouble Code Discussion for October 2007

Ambient Air Temperature Sensor Performance

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Trouble Ticket Help Requests for DTC P0071
Help Request Posted
1993 Cadillac Seville STS 4.6L Hesitation, Surge, Cuts out, Stall VIN: 1G6KY5299P
P0071: interm map. This caddy runs fine until coolent temp reach above 200 degree (F), then engine chuckel and cuts off at cruising speed or sometimes turning into freeway ramp. It acts like a ignition module problem, most of the time it cranks right back and runs fine for a mil...
October 10, 2007