Hey Jeepers,
Got the following DTCs from Torque:
C1301: Unknown code - More information may be available on the web
P3235: Unknown code - More information may be available on the web
P0155: O2 Sensor Heater Circuit (Bank 2 Sensor 1)
C0307: Unknown code - More information may be available on the web
C0800: Unknown code - More information may be available on the web
P0135: O2 Sensor Heater Circuit (Bank 1 Sensor 1)
P0138: O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
P0748: Pressure Control Solenoid "A" Electrical
P3501: Unknown code - More information may be available on the web
P0443: Evaporative Emission Control System Purge Control Valve Circuit
P3543: Unknown code - More information may be available on the web
P0455: Evaporative Emission Control System Leak Detected (gross leak, check fuel cap, piping etc)
After clearing, most of the unknowns disappear for a time, and the P0748 has not returned. The O2 codes return after every clear.
Car runs OK for the most part. I do have some pinging at WOT (suspect fuel pump issues, haven't checked pressure yet).
The O2 sensors are <1 year old, so I'm surprised to see codes for both. Is it possible that alternator is bad, giving bad voltage, or perhaps ECU (hope not!)? Any suggestions for steps to troubleshoot? What are all the weird unknown codes?
The only related events that come to mind are the following: shortly after replacing the O2 sensors, had a catastrophic radiator failure which sprayed coolant EVERYWHERE (including on me through the grille and hood, luckily I had not opened the hood fully). Is it possible this could have shorted something causing the O2 sensors to fail? I don't know if the codes started immediately after this, but it's possible. Also, after replacing the radiator, I had a pinhole leak in an ATF line, leading to spraying ATF everywhere as well. Finally, after fixing that leak, the crap part store radiator failed, spraying a lesser stream of coolant yet again. These all seem unlikely to have caused this issue, but figured I'd throw it all out there.
Hope someone has an idea, appreciate any help or insight!
Got the following DTCs from Torque:
C1301: Unknown code - More information may be available on the web
P3235: Unknown code - More information may be available on the web
P0155: O2 Sensor Heater Circuit (Bank 2 Sensor 1)
C0307: Unknown code - More information may be available on the web
C0800: Unknown code - More information may be available on the web
P0135: O2 Sensor Heater Circuit (Bank 1 Sensor 1)
P0138: O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
P0748: Pressure Control Solenoid "A" Electrical
P3501: Unknown code - More information may be available on the web
P0443: Evaporative Emission Control System Purge Control Valve Circuit
P3543: Unknown code - More information may be available on the web
P0455: Evaporative Emission Control System Leak Detected (gross leak, check fuel cap, piping etc)
After clearing, most of the unknowns disappear for a time, and the P0748 has not returned. The O2 codes return after every clear.
Car runs OK for the most part. I do have some pinging at WOT (suspect fuel pump issues, haven't checked pressure yet).
The O2 sensors are <1 year old, so I'm surprised to see codes for both. Is it possible that alternator is bad, giving bad voltage, or perhaps ECU (hope not!)? Any suggestions for steps to troubleshoot? What are all the weird unknown codes?
The only related events that come to mind are the following: shortly after replacing the O2 sensors, had a catastrophic radiator failure which sprayed coolant EVERYWHERE (including on me through the grille and hood, luckily I had not opened the hood fully). Is it possible this could have shorted something causing the O2 sensors to fail? I don't know if the codes started immediately after this, but it's possible. Also, after replacing the radiator, I had a pinhole leak in an ATF line, leading to spraying ATF everywhere as well. Finally, after fixing that leak, the crap part store radiator failed, spraying a lesser stream of coolant yet again. These all seem unlikely to have caused this issue, but figured I'd throw it all out there.
Hope someone has an idea, appreciate any help or insight!
Request for CEL Help
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