- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
code p0404 refers to exhaust gas recirculation (EGR) valve position--range/performance problem ===causes --hose leakage/blockage--wiring ---EGR valve/solenoid
code p0420 refers to cat converter system bank 1-efficiency below threshold===causes --cat converter---wiring---HO2S 2
their are a few different things that can cause ur problem but usually the main one is the fuel filter others are dirty clogged air filter -partial clogged pcv valve-partial clogged cat converter -carbon build up on egr valve -for the pcv try cleaning with a carb cleaner -same for egr valve clean carbon build up -as for cat converter have some one raise idle while u feel for exhaust if feels weak or sounds like blockage look to see also if glowing bright red this usually shows a clog or partial clog in exhaust system[cat going also if smells like rotten eggs possible cat conv problem] good luck
cat converter is going bad. have someone rev engine and feel for pressure at tailpipe. i am willing to bet its restricted. did you have the egr fail code? egr valves hardly ever go bad. a bad cat converter will not allow for normal aceleration, even with the pedal to the floor.
I have the same car and i had the same problems
I did the same stuffs you did to try and figure it out
The answer, my friend is
REPLACE THE CATALYTIC CONVERTER
My mechanic replaced the catalytic converter and WOW, it runs like a brand new car
The car was getting dangerous to drive and now you touch the gas pedal and it goes