2000 Volvo S40 "tell inverter faulty" Questions

...triangle an inverted y shape a inverted y is the greek symbol for lambda.which means your car is telling you that you have a faulty lambda probe(if it stays on after you start the

...tell you that the tps is faulty the cats are bad or the o2 sensor is pooched posibly you have air intake isues but it might even be the trans start with a code search then take it on a road trip to ...