nothing to do with water.light has a engine block on it
Your car needs to go on to a code reader, as the ecu HAS detected a fault(s) causing the engine management light to become illuminated,
these possibles are: plugs,leads, coil packs . injectors, lambor sensor.(O2) the cat, hence the need to have the fault code(s) read.have parts changed the fault codes cleared and then the light RESET.
wirecutterman, November 2009