What would cause the service engine soon light to come on?

What would cause the service engine soon light to come on? 2 Answers

What does the service engine soon light mesn 1 Answer

I was driving down the highway at at about 65 mph and my service engine soon light came on !! The truck didn't seem to lose any kind of performance what so ever ! What can that light be a precurs...

service engine soon lights comes on and off 5 Answers

it does not come on when truck starts up but after driving for about an half hour or so service engine light comes on. when engine is turned off and restarted it repeats the same.,also feels like a l...

Check engine soon light is on, what do these codes mean. 8 Answers

P0141---o2 heater curcuit bank 1 sensor 2. P0155---o2 heater curcuit bank 2 sensor 1. P0174---fuel system too lean bank 2. P0300---engine misfire detected. P0440---evap emission system fault. P0719---...

what would cause the fuel pump not to turn on at first and no spark im not even getting a voltage at the coil 3 Answers

no spark and the fuel pump doent turn on at first. tested the pump it works even with the bypass wire. new dist., new oil pressure switch