I took my 2003 Ford Explorer Sport XLT for a smog check. The results came up that I passed all parameters related to emission but the smog tech said the CPU was tampered and not communicating with their
Smog testing machine. He hooked up an OBD2 scanner to show me there's no communication between the scanner and they CPU!! He failed my smog test and re - test after I get the problem fixed within 30 days. Is it possible that I passed all emission control parameters yet my CPU is
Not working monitoring all systems? What could have caused this? I checked all fuses and relays they are ok. Did chec…
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