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I got a p0303 code could that mean cylinder 3 and, if so what might be causing it? it also has an exausht rattle. I will be looking into a lot of little issues. =•)

It has no more check engine light guys..... now on the other hand. When I am pressing the throttle while it is going up a steep incline it flashes a check engine light. Let me know if anyone think can think of something? Hashtag confused

Most definitely I am going to start putting everything new. That way I can know it was done and done right. But for some reason I am only getting the codes above 1000 that I posted previously. I d k why they are coming up tho

Thanks I did it has a lot of carbon build up and I am still getting a couple codes but stalling and sputter are gone. I also see a lot more power with the change of the fuel pump and filter. #living the dream

it was the egr fuse ****ing stupid thanks to everyone I appreciate the help so much and will keep posting updates on this forum

I tried both and found no leaks and replaced throttle positioning sensor as well with no avail

Do you think it could possibly be coil packs And I don't have a smoke machine just starting fluid

Going to just start changing parts like egr and iac next I am so stumped #mylife

P0135 P0155 P0171 P0755 P0760 P1747 P1409 P1451 #livingthedream

1999 mercury mountaineer stalling and bogging I started the truck up and idles fine. When in drive if givin to much gas it Bogs and stalls out. I have already replaced MAS fuel pump Fuel filter it is giving me 10 codes one of them is a p0303 witch is cylinder 3 misfire. Please help me this...