Trouble Code P0402--what to do?
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Trouble Code P0402--what to do?
My 98 X EB with the 5.0 had its first Check Engine light come on ever!!!!!(celebrate later
)
It came up with two Trouble Codes in the PCM: P 0402-- EGR excess flow ( 2nd one in another string after this one)
Questions:
1. Does this mean I need a new EGR valve?
2. If so where is it in the 5.0?
3. Can a novice mechanic repl it?
Any feedback will be greatly appreciated
)It came up with two Trouble Codes in the PCM: P 0402-- EGR excess flow ( 2nd one in another string after this one)
Questions:
1. Does this mean I need a new EGR valve?
2. If so where is it in the 5.0?
3. Can a novice mechanic repl it?
Any feedback will be greatly appreciated
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OK durr i read the sticky link about DTC
BUT i am still at a loss as to what to do next
JUST TO MENTION: After reader the codes with one of those wicked cool star reader tools, i cleared the codes and drove 30 more min and No check engine light!
BUT i am still at a loss as to what to do next
JUST TO MENTION: After reader the codes with one of those wicked cool star reader tools, i cleared the codes and drove 30 more min and No check engine light!
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As I recall the Check Engine Light will only come on for this fault after the engine is at full operating temperature. As I see you are in NH and I'd assume it takes a little while to get to temp up there, if it were summer you'd see it more. As for the location of the sensor, I can't help I had the 4.0. I do however think it only cost about $20 and wasn't too hard to replace, just a threaded connector and a vacuum line.
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OK feeling really stupid but what does DPFE stand for, and where is the sensor, I realize its an emissions thing, but im not in the know about this one
Im willing to try anything i can do on my own rather than paying some one so bring on the DPFE sensor!!
Im willing to try anything i can do on my own rather than paying some one so bring on the DPFE sensor!!
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I believe your EGR sensor/valve is on the back of the engine against the firewall on the passenger side. Before changing your sensor, I would clean the EGR valve first, they get nasty dirty with deposits and my EGR valve got clogged and stuck...setting off a CEL.
All I did was pull off the valve, clean it with a lot of carb cleaner and it fixed my problem. Buy a Haynes repair manual, it will show you the way. It is an easy fix....the hardest thing is getting to the bolts to take the valve off.
good luck!
All I did was pull off the valve, clean it with a lot of carb cleaner and it fixed my problem. Buy a Haynes repair manual, it will show you the way. It is an easy fix....the hardest thing is getting to the bolts to take the valve off.
good luck!
