Cause of code P0140?

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Replaced pre and post cat 02 sensors and completely bypassed wiring on the high amd low side. Still only sending a consistent reference signal of .45 volts. Cleaned ground on engine and have proper resistance. Any thoughts? This one has got me stumped and i need some help

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in Phoenix AZ

Feb 11, 2017

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RepairPal Certified shops can diagnose and repair your 1997 Cadillac Eldorado. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Cause of code P0140?

What is your question?

Visitor

in Phoenix AZ

Feb 11, 2017

0 Replies

This question doesn't have any answers yet

Get the conversation going by signing in or creating an account

Submit an Answer

What are the best Cadillac repair shops?

RepairPal Certified shops can diagnose and repair your 1997 Cadillac Eldorado. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.