need help

Reply Subscribe

Thread Tools

Search this Thread

Sep 19, 2010 | 02:53 PM

kerim1

Thread Starter

Senior User

Joined: Oct 2009

Posts: 118

Likes: 0

need help

hi i have a 2000 expy 4.6 with 136xxx miles
i live in connecticuit and need to pass emissions but i have a PO401 code
i just replaced the egr valve and solenoid yesterday but today the same code back on.
is there anyting else i could check
please help

Sep 19, 2010 | 03:12 PM

fordinlinesix

Senior User

Joined: Nov 2000

Posts: 379

Likes: 2

From: Azle, TX

Yup, change the EGR valve position sensor. That is usually the culprit because exhaust plugs up the sensor.

Sep 19, 2010 | 05:08 PM

alloro

Fleet Owner

Joined: Apr 2008

Posts: 24,322

Likes: 5,132

From: 0,0,1

Quote:

Originally Posted by kerim1

i live in Connecticut

You should update your profile, it says you're in Florida.

Sep 19, 2010 | 05:40 PM

kerim1

Thread Starter

Senior User

Joined: Oct 2009

Posts: 118

Likes: 0

ok i just replaced the egr pressure sensor i will see tomorrow if the code comes back or if im lucky.

sorry i forgot to update my profile

Sep 20, 2010 | 08:26 PM

kerim1

Thread Starter

Senior User

Joined: Oct 2009

Posts: 118

Likes: 0

ok my code came back on today after replaceing egr valve, egr solenoid, and egr pressure sensor.
is there anyting else i can check?
what kind of hoses or tubes can i check?
thank you