Question about Cars & Trucks
'89 Camaro egr valve temperature sencor. GM part # 14087416 or one that will work. What if we block the egr valve off?
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Posted on Jan 02, 2017
SOURCE: I got the code p0400 1.
first take the egr valve off then get some carb cleaner spray it into the egr valve ports let sit 30-60min then take a small flat head clean any carbon left over in it. then check the vaccume lines to it they to might be plugged you can take a small wire or push pin and stick it in the ports to unplug it.
Posted on Sep 06, 2008
Pull vacuum on egr valve with engine idling and see if engine stumbles and tries to die until vacuum is released. If this DOES NOT happen the egr exhaust passage is plugged will need to remove egr valve assembly and remove carbon from passage into cylinder head.
Posted on Mar 29, 2009
dpbeffe sensors on fords are a common problem I had the same issue with several fords of same year new sensor from ford only cost me 38$ from ford just make sure both tubes to dpfe are clear though any blockage screws up the reading from the sensor
Posted on May 20, 2009
I know you are saying it is an egr code being set but I believe it is very possible map sensor can cause this sort of issue or if it is possible can you disconnect the exhaust long enough to run it for a 5 minutes? Catylitic converter beginning to have issues. just a couple tips.
Posted on Oct 24, 2009
You have to the EGR valve (sometimes the Intake manifold to EGR Vlalve line also). After you remove it take a drill bit the about 20 % smaller than the actual hole of the outlet side and rotate the drill bit with your hand to dig out the carbon. Aditionally the line coming from the intake manifold to the EGR valve will clog near the connection to the EGR valve. I use either a single piece of copper wire or the wire that you would use to tie ribar together to clean the line. When your done cleaning take a piece of vacuum line and connect it to the diaphram side and **** on it... then plug the line well with your thumb. Grasp the valve and blow thru it... Air should blow thru it freely. Remove your thumb from the vacuum line and try blowing again.. No air should pass thru the valve.
Then reinstall the valve and start the vehicle with the vacuum line disconnected (but blocked off) Use another piece of vacuum line connected to the diaphram again and **** on the line.. The vehicle should die or run really bad. If it does this then you cleaned it correctly.
Posted on Jan 20, 2010
Tips for a great answer:
In fixing this code, it is quite common for people to just replace the EGR valve only to have the OBD code return. The EGR valve is not always the culprit.
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