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Prev Professional Automotive Repair Technical Discussions for February 22, 2022
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1987 Ford Thunderbird Sport 5.0L Excessive Emissions VIN: 1FABP61F5H
The car presented with failed CA smog check for high NOX, everything else A-OK. Repaired EGR system, retest, NOX good, HC went up. I proceeded with diagnosis and replaced all the above. No, I didn't use a shotgun to diagnose this car, it was just way overd...
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