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International Automotive Technicians Network
The importance of proper Lambda
Posted to Technical Theory Forum on 4/25/2007 6 Replies

Hello all,

Vehicle in for emissions failure, a '95 Mazda MX-6 with 2.5L V6, failing ASM test for NOx: low speed at 3524 ppm and high speed at 4172 ppm.

Testing shows one O2 sensor flatlined below zero, the other O2 sensor is switching sluggishly and dippin... Login to read more.

6 Replies Received (View Replies)