volvo740wgn Posted February 4, 2008 Report Share Posted February 4, 2008 My 1998, S90 failed Mass. inspection because my check engine light was on. Because the check engine light was on it failed emissions. The two error codes that came up during diagnosis were, P0112 and P0116.P0112 -Intake Air Temperature circuit low inputP0116 -Engine Coolant Temperature circuit range/performance problemA sensor from radiator is broken and I think that could be causing one of the errors. I believe the only way to repair that is to buy on new radiator. Not sure which error is it though. Anyone know what can cause these errors or where the problem is located?Thanks Link to comment Share on other sites More sharing options...
DonutsDemise Posted February 4, 2008 Report Share Posted February 4, 2008 My 1998, S90 failed Mass. inspection because my check engine light was on. Because the check engine light was on it failed emissions. The two error codes that came up during diagnosis were, P0112 and P0116.P0112 -Intake Air Temperature circuit low inputP0116 -Engine Coolant Temperature circuit range/performance problemA sensor from radiator is broken and I think that could be causing one of the errors. I believe the only way to repair that is to buy on new radiator. Not sure which error is it though. Anyone know what can cause these errors or where the problem is located?ThanksThey both probably mean the sensors are bad. I doubt you need a new radiator. Link to comment Share on other sites More sharing options...
MrWinkey Posted February 6, 2008 Report Share Posted February 6, 2008 You need a t-stat and an IAT sensor(cts sensor,whatever you want to call it) good luck getting the monitors up and ready! ;) Link to comment Share on other sites More sharing options...
Steven Mendoza Posted February 8, 2008 Report Share Posted February 8, 2008 Sensor should be in the thermostat housing on top of the engine, so start there before replacing the radiator needlessly. Radiators aren't cheap. Link to comment Share on other sites More sharing options...
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