TxLexus400

iTrader: (2)

Ok so i havent drove my car in a bout a week or two and the other day when i did i started getting a cel light, i checked it and it was a few.

p0300
p0301
p0303 I know these are cylinder misfires
p0305
p0307

p1346
p1349 Im unsure of these codes.

Now i changed my spark plugs (NGK Iridium) and it still throws the codes, The symptoms is that when i come to a stop it will stumble and sound like its gonna die. It does that sometimes and other times its fine, the power is still there its just when it idles.

If anybody can please help me out i will appreciate it a lot. Right now im gonna check my intake manifold vacuum lines, im gonna check my maf and i was told to check for a egr valve stuck open. if anybody also has any links to a haynes or chilton book please post it again any opinion are helpful, i need to get my car running right again.

TxLexus400

iTrader: (2)

well i reset the codes and found a cracked vacuum line which i replaced, tightened the throttle cable a little and my clamps on my intake were loose, so i hope that fixes it and ill let you guys know. i did start it and let it idle for 10 minutes and so far so good.

TxLexus400

iTrader: (2)

the codes and rough idle came back, i have checked everything twice and i still cant find or understand why my car is acting up like this, i dont want to spend money on new injectors if thats not it. im officially stumped and need help.