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Several knowledgeable folks I have talked to believe it has to be a bad wire/wires somewhere in the wiring harness. Have the old harness...
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Readings were taken from a digital voltmeter. I only mentioned the scanmaster readings to confirm that there was a change in mv to...
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So if I'm assuming the tests that I ran were to diagnose a Code 13 (that does not exist anymore) the final outcome of "faulty ECM"...
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Finally had some time to spend with the car, ran the O2 diagnostic chart and found the following;
Step 1 - Open Loop
Step 2 - .39 volts...
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One more item just to confuse things, the car never threw a CODE 13. ESL was never introduced during this whole situation.
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Thanks for the chart, will go through those to see if any of these tests will resolve my issue.
I ran some Data Logs just to confirm...
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Have not checked all the splices in the wire harness, but the ground connections at the back of the motor and the one at the turbo...
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Got a set of new PINS from Caspers for the ECM connection (both O2 and Ground) and put on a new Weatherproof Connection at the O2 sensor.
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LT1 with Translator. MAF was changed early on with no change in readings.
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These are my O2 readings on my Scanmaster. Rinse and repeat 402;406. Millivolts do not change whether in neutral, drive, 800 RPM or 2500...