First post here and I'm in dire need of some input. My friend's Sonic has been having loads of problems.
Current Codes:
P0171, P0131, P015B, P0420
A couple of things worthy of note.
We already replaced the downstream O2 sensor. This car has given us tons of problems before. I looked at the intake boot, but nothing looked damaged. I'm hoping that it's not a bad cat. I'd take any info I can get.
Current Codes:
P0171, P0131, P015B, P0420
A couple of things worthy of note.
- He had it stall a couple of times when it was cold.
- There is a temp sensor PID that is stuck at 50F. Not sure which sensor, but the temp reading in the car is correct.
- We also have a code that mentioned 5V reference 1 being out, but this is intermittent
- There is an ABS code for the "Right Front Wheel Speed Sensor Circuit Low Voltage/Open"
- Radiator fan is stuck on high
We already replaced the downstream O2 sensor. This car has given us tons of problems before. I looked at the intake boot, but nothing looked damaged. I'm hoping that it's not a bad cat. I'd take any info I can get.