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Originally Posted by Platinum Alright, I'm finally back...
I recently cleaned out the IAC and the EGR valve (and replaced gasket.)
The port that leads into the EGR from the intake was pretty well clogged. When I started, I could barely get a ziptie through it.
I started it up after working on it for quite some time, and having the battery unplugged... and it idled up fine. I thought it was fixed. After driving it for a bit it started idling rough again. Now, it even does something new. When I'm driving down the road and need to stop/slow down and I push in the clutch and put the truck in neutral my idle acts really weird.
Well, it actually surges now. I can hear the truck revving up kinda high and then dropping back down quickly... and then repeating until I come to a stop. Then it starts idling, roughly.
Any new ideas here guys? |
In addition to this posting, I'd also like to explain my situation a little more in-depth...
Picture taking first gear out of a transmission, making second first, third second, etc. Then adding another larger gear where fifth was. When you tried to start off, the truck would bog down a lot because the first gear would be too large, right? That's what my truck feels like it does... if that helps at all.
Also, when my truck is very low on gas (1/4 or less, as of about 15 minutes ago) it seems to act like this more severely. I just went and filled my tank to over 1/2 and it doesn't seem to do it as much. Could this be an indication that it's my fuel pump? (Fuel filter has already been replaced.)
Not to sound completely foolish here, but could the previous owner have put a transmission in this truck that isn't working properly with it?
Any new help would be great. Thanks in advance.