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EGR, EVAP, PCV, ECT, 02's, TPS, IAT

 
Old 08-31-2017, 02:20 PM
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Question: Dont have the cash to fix the truck so I plugged up the vacuum hoses for the EGR and the IEVAP sensor,seems to be running and idling just fine the scanner says 695 RPM which is alot better than it was.I have no error codes not even pending ones.
My question: Is the EGR valve closed or open with no vacuum?

I thank you all in advance!
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Old 10-17-2017, 10:34 PM
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Default Couldn't Figure out a P0405 code, but then...

I recently bought a 2002 4.6 4x4 essentially sight unseen. I brought my code reader and saw it was throwing a P0405 code (EGR circuit low). I knew this was common and easy to fix, so I went through with the purchase. I took it home and peeked under the hood to find a new EGR sensor already in place! This wasn't good, I thought. I checked fuses, and cleaned out the throttle body, but nothing was getting rid of the code! Then a thought stuck me. I looked back at the new sensor, and took double take. The previous owner installed it backwards!!! I popped it off, and put it on the other way. Truck has been running fine ever since!!!
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Old 10-17-2017, 11:38 PM
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Originally Posted by Simon Troutwine View Post
I recently bought a 2002 4.6 4x4 essentially sight unseen. I brought my code reader and saw it was throwing a P0405 code (EGR circuit low). I knew this was common and easy to fix, so I went through with the purchase. I took it home and peeked under the hood to find a new EGR sensor already in place! This wasn't good, I thought. I checked fuses, and cleaned out the throttle body, but nothing was getting rid of the code! Then a thought stuck me. I looked back at the new sensor, and took double take. The previous owner installed it backwards!!! I popped it off, and put it on the other way. Truck has been running fine ever since!!!
Hahaha that's pretty good.
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