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'97 Boxster: Multiple Check Engine Lights

  • 1997
  • Boxster
Mileage: 
138 000
Engine
Columbus, 
Ohio

I have a 1997 Boxster, 2.5. A couple of weeks ago, the check engine light came on with code P1117: Oxygen Sensor Heating 1 After Catalytic Converter - Below Lower Limit.

About a week later, multiple check engine lights appeared (listed below). I've cleared them, however, they continue to return. 

It seems odd to me that so many problems would appear at once... So, I am guessing that 1-2 primary issues may be the source.

I am scheduled to go into the shop tomorrow, but I wanted to check here for any advice and input that anyone may have? Or if there is any obvious correlation between the codes?

P1531: Camshaft adjustment bank 1 (Passenger Side)
P0160: Oxygen 2 sensor behind CAT - cylinder (4-6)
P1115: Oxygen Sensor Heating 1 After Catalytic Converter - Above Upper Limit
P1117: Oxygen Sensor Heating 1 After Catalytic Converter - Below Lower Limit
P1119: Oxygen Sensor Heating 2 Ahead of Catalytic Converter - Below Lower Limit
P1121: Oxygen Sensor Heating 2 After Catalytic Converter - Below Lower Limit
P0410: Secondary Air Injection System, Bank 1 – Below Limit
P1411: Secondary Air Injection System, Bank 2 – Below Limit

I should also mention that the car is running great. No issues at high or low RPM

Thank you for any and all help.

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