Hi Guys,
P0303 code popped up.
new spark plugs & fuel filter was replaced but code still shows up.
accelerator doesn't go beyond 20 MP. it jump when it go beyond 20 mp.
can anyone please suggest what else should I check.
I noticed something unusual : as soon as I start my car, radiator fan started to run and it does not stop.


thanks

 

Could be a coil...

 

i swapped the coil 3 to coil 4 location but it didnt make any change,
engine kind a shake on idle and on D.
when i shift from P to D, i hear car is humping

 

Bad injector on cylinder 3

 

thanks for prom reply.
can you please tell me the location of injector and step by step instructions to replace them.
thanks