Check engine light on

I sold my lancer 2005 in the year 2011 in just rs 590000/- after wasting Rs.100000+ on this error by almost 10 + mechanics

I have the same problem, have swapped coils, injectors, plugs and replaced plugs w/ new ac delco iridium plugs. I have flushed out the fuel rail 3 times and tried adding seafoam, iso heet and berryman's B-12 chemtool to the tank over the last 15- 20 tanks of gas. I have also wasted money and cleaned the mass air flow sensor. NOW I FEAR THAT THE CATALYTIC CONVERTER IS GOING BAD DUE TO THE MISFIRES! (smells like sulfer/rotten eggs at times.)There is a service bulletin for contaminates and water in the fuel. It states that the fuel rail is a non-return type. This means that any water or contaminates in the fuel will enter the rail and stay there inturn clogging the injectors. The bulletin states that this causes the misfire on cylinders 1 and 4 during right and lefthand turns. So why is it only P0304 and never P0301? The dealer will charge you 300.00 to flush the injector rail. The problem is compounded by the fact that there is no fuel filter on the HHR except the one in the tank. Evidently that is not good enough to keep contaminates from reaching the fuel rail. I am going to drop my fuel tank and drain all the fuel from the system and refill w/ top tier fuel from a top tier station. Search for top tier fuel on the web. If it comes back again, I am going to get a ford focus. I can't keep worrying about this nonsense. Too bad too because I really like my HHR. Reliability is more important to me now, after all this time and money.