Hello to all,ive got a huge prob with disco,need to get inspected service engine light came on,had scanned 1174,1171,1590,0174,0150,0300,0307,holly crap,replaced both front 02 sensors already clear codes,they return less then 20 miles,cleaned maf sensor with carb clean,off of course,seems like all these codes at one time is odd,leaning towards replacing MAF,any help will be appreciated.

 

Leave the MAF alone.
What year, how many miles on it, when was the last tune up along with plug wires?

 

Its a 2000 with 129k miles,plugs and wires were replaced about 3 months ago,light just came on two weeks ago

 

First, the carb cleaner, which you never use on a MAF, will kill it.
The front 02 is dead which is causing you a lot of grief and your 1590 is a rough road/ABS fault code.
Check and make sure your 02 sensors connections are oil free, if they are contact whoever you bought the 02's from and get it warrantied.

 

ouch,hope I haven't killed MAF,sounds like the PO174,PO150 are do to a bad 02 sensor that should be Bank 2 sensor 1 I hope

 

Didn't you just replace that 02, if you did make sure to have them warranty it and make sure the connection is clean of oil.

 

Going to get back on it today and see if I can fix this thing,do have a slight oil leak at valve cover could be the prob,its on the pass side.

 

You might try tightening the 2 v/c bolts, they tend to vibrate loose and leak down onto the 02 connections.
If that doesn't fix it you will need to replace the gaskets.

 

Yep,good advise on valve cvr gasket,was loose went back to auto zone confirmed again with scanner bank 2 sensor one,gonna put old one back in get new one under warranty,bank 2 sensor one is passide front before cat,opposite side on cylinder 1 ?

 

well,went back to auto zone changed out bank 2 sensor 1 have driven 35 miles no light,will try again driving tomorrow,auto zone has no clue had 10 codes,if wasn't for you guys,would have spent a ton.thanks will try again tomorrow