EGR valve flow insufficient

ryan10 · Jan 4, 2009

Hey guys, i searched but didnt find anything. my truck is throwing an egr valve flow insufficient code. I was told the EGR valve itself is new. What else could be causing this? What should i check, and is there any way it could still be the egr itself? Looking to get this fixed asap so i can go get a sticker.\ the truck is a 99, and the motor is a 96. The truck runs and drives fine. The only thing i could think of is it idles a little high. The truck doesnt have cats, but this wouldnt cause this right? What should i check?
thanks

wade · Jan 4, 2009

ryan10 said:
I was told the EGR valve itself is new. What else could be causing this?

Sticking EGR valve - clogged ports - faulty EVP

ryan10 said:
What should i check, and is there any way it could still be the egr itself?

YES

ryan10 said:
Looking to get this fixed asap so i can go get a sticker.\ the truck is a 99, and the motor is a 96. The truck runs and drives fine. The only thing i could think of is it idles a little high. The truck doesnt have cats, but this wouldnt cause this right?

Not likely.

ryan10 said:
What should i check? thanks

See above.

ryan10 · Jan 4, 2009

Thanks guys, i went out to wrench on it this morning and found that the vacuum lines were disconnected, so i connected them and all is good.
thanks.

EGR valve flow insufficient

ryan10

15+ Year Member

wade

15+ Year Member

ryan10

15+ Year Member

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