EGR flow Insufficient - Toyota Nation Forum : Toyota Car and Truck Forums

bigG · 10-03-2005, 07:56 PM

i have an 1998 camry 4-cylinder i got an check engine light and when i did the vehicle test it says it is my an egr flow insufficient P0402. I did a search before i made this and i found out it cost 1 guy 400 to get it fixed (which i am not gonna spend that much to fix it) but the guy at Advance Auto Parts said i can fix it myself so i was wondering what i have to do to fix it.

thanx

toyboyracer · 10-03-2005, 08:03 PM

LINK

If the guy @ the store said it was an EASY job, why not ask him?

Not being "snotty" just obvious !

And you may buy the EGR valve from him....

Bunthy · 10-03-2005, 10:30 PM

check the vacuum lines around the egr. it may be kninked or loose.....happened to mines.

ToyotaGuy50 · 10-03-2005, 10:41 PM

Like bunthy said check the vacuum lines at the egr actuator.

Also banging on the egr valve firmly with the wooden handle of a hammer
can sometimes unstick a stuck egr valve-(they get loaded with carbon over the miles).

bigG · 10-04-2005, 08:58 AM

where is this it located? it would be great if some can show me a picture.

thanx

Gary_602Z · 10-04-2005, 03:28 PM

Hey the people at Advance Auto can even print that out for you!

Gary

Chrisqo · 10-05-2005, 12:42 AM

i get the same problem, but it the light comes on and goes off, and it will happen about every 4 months

bigG · 10-05-2005, 05:49 AM

Quote:

Originally Posted by Chrisqo

i get the same problem, but it the light comes on and goes off, and it will happen about every 4 months

whenever u disconnet the battery it goes away for day then comes right back.

thatnx

TriumphGT6 · 10-05-2005, 09:52 AM

My mom's Saturn SL1 had the Check Engine Light on. I whipped out my OBDII Scanner (paid only $150) and found it to be the EGR Valve giving her problems. Here's how you fix it:

-Disconnect your battery, not a joke, this is so your computer loses its error codes.
-Look in your manual and find out how to remove it, otherwise search online for the location and removal procedure.
-Once it's out, spray it with Carb Cleaner (not the stuff you put in gas, but in an aerosol can) and let it soak.
-After it has soaked for a good 10 to 15 minutes, I like to scrub it with an old toothbrush (that's no longer in use) to get any stuck particles off.
-Work the valve piston up and down, but don't spin it or try to work it side to side.
-Dump all of the carb cleaner out.
-Use compressed air (no special PSI) to blow the remaining liquid out.
-Make sure its dry and then put it back on the car.
-Make sure everything is as it should be.
-Reconnect the battery and drive the car around as usual. You're done.

Good Luck, and it's easier than it seems.