EGR valve. Replace whole Unit or Sensor??
Thread Starter
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Cargo Master
Joined: Oct 2008
Posts: 2,308
Likes: 1
From: Elyria, OH
EGR valve. Replace whole Unit or Sensor??
Vehicle Specs:
1989 F250 w/ 351w
c6 tranny
4.10 gears
K&N FIPK
31,000 actual miles
Getting 6-8 mpg in highway/city driving.Was told EGR valve could be the problem.
Should I replace the whole EGR assembly in my truck or is there a way to free up the unit somehow. I'm getting a code 33 saying "EGR valve opening not detected". Took it to a shop and they told me they could look at it. For $75 an hour... Trying to save some green and want to do it myself.
Any thoughts?
1989 F250 w/ 351w
c6 tranny
4.10 gears
K&N FIPK
31,000 actual miles
Getting 6-8 mpg in highway/city driving.Was told EGR valve could be the problem.
Should I replace the whole EGR assembly in my truck or is there a way to free up the unit somehow. I'm getting a code 33 saying "EGR valve opening not detected". Took it to a shop and they told me they could look at it. For $75 an hour... Trying to save some green and want to do it myself.
Any thoughts?
Lead Driver
Joined: Aug 2006
Posts: 5,670
Likes: 13
From: Sand Lake, MI
Chances are better you have a vacuum leak, a bad EVR or a bad EVP. The EGR valve itself is probably working.
EGR valves are built to last, but a quick easy test, connect a hand vac directly to the the EGR valve, pull say 12-15hg of vacuum on it, the idle should drop couple hundred rpm's with motor stumbling. If it does, and holds a solid vacuum, value doesn't drop, the EGR valve is fine.
Testing procedures for the EVR and EVP can be found with a quick search here, if not post back and I'll post em for ya.
EGR valves are built to last, but a quick easy test, connect a hand vac directly to the the EGR valve, pull say 12-15hg of vacuum on it, the idle should drop couple hundred rpm's with motor stumbling. If it does, and holds a solid vacuum, value doesn't drop, the EGR valve is fine.
Testing procedures for the EVR and EVP can be found with a quick search here, if not post back and I'll post em for ya.
Thread Starter
|
Cargo Master
Joined: Oct 2008
Posts: 2,308
Likes: 1
From: Elyria, OH
EGR valves are built to last, but a quick easy test, connect a hand vac directly to the the EGR valve, pull say 12-15hg of vacuum on it, the idle should drop couple hundred rpm's with motor stumbling. If it does, and holds a solid vacuum, value doesn't drop, the EGR valve is fine.
