Re: Chugging at low rpm ....... please help
Quote:
Originally Posted by RangerInDanger1
wellll
more fun with this problem
I went ahead and tested 3 IMRC valves ......
used the extra plugs and hooked up 12v dc and heard them click
Well except for one from the junk yard ford focus, one outta the two was non functional. the other two Including the one from my ford ranger tested working ....
So they are basically normally closed , then with voltage they open , allowing vacuum on the actuator , which i 'think ' closes the intake runner flapper ( correct me if im wrong )
yeah so either way I didn't resolve any problems ...
tested my original ford imrc vacuum switch and found it works ...
put it back on and double check vacuum lines and wires
cant find any problem
drove it , chugged a round a bit , put a little load on it in the low rpms, just at some small hills and what not , and the same problem persists ..
I checked the codes after that 5 min drive and found the cylinder misfire codes
p0300
p0302
p0304
So I am stuck checking the the coil and plugs again
gonna double check the plugs and then coil i guess
im pretty stumped beyond that
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They may work mechanically but is it SENDING a signal to the ECM that it's working, that's the question...
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2011 Ranger XLT 2x4,4.0 SOHC, 5 Speed Auto, 3.55 Rear. Oxford White.
Simplicity is the ultimate sophistication.
Torque it down till it breaks off, then back it off 1/4 turn.
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