LOW LOW LOW RPMS
#1
Join Date: May 2008
Location: Watson, Louisiana
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LOW LOW LOW RPMS
it's getting too bad to deal woth anymore. I know people always post and ask this question but how the hell do i fix it. When i crank it cold it cranks and the RPM's stay high like they should. After i run right up the road, turn it off, then crank back up it will almost dye after it cranks. When i stop at red lights with the A/C on they will drop low enough for me to have to hold the brake down with my left foot and tap the gas peddle to pick them back up. I have cleaned the MAF and throttle body. I'm lost at what to do now. If you know any suggestions post them up. Make sure to be detailed about to fix it though. Most people just post what the problem is and leave no description of how to fix it. Thanks lots
#3
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wait a sec, theres a something mounted to the throttle body that goes in to it. it has two philip screws holding it on, but it has 3 wires going to it. then on the intake tube before the throttle body theres another sort of sensor that has 2 wires goin to it. which of these if either should i be cleaning?????
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#12
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#16
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#17
Hello JRacer, I'm glad your truck is running great now, i hope that i have the same issue as you and it will be a quick fix like yours, Well guys instead of starting a new thread i thought i would just post it here because im having almost the same issue as JRacer, at high RPM's its all good, Freeway travels no problem, now when i get in stop and go traffic or surface streets when my RPMs drop to around 500 or when i let off the gas the truck will putter out and die, once i get to the side of the road the damn thing will not start again! i have to press the fuel release button that is located under the passenger side dash and even then i have to start the truck real quick and get on the gas or it will just keep puttering out and dieing.. do i have an IAC issue as well or could this be something more serious?
#18
#19
im 100% sure it helps haha it fires up almost instantly after hitting that button, and trust me i just figured that out, i was sitting on the side of the road for 30min-1hr before trying to start it normally without draining my battery, now i just hit that button and bam we are rocking instantly.
#21
what by just unpluging the switch under the dash? also i took the IAC off to look at that and that **** is diiirty! imma run down to autozone and grab some MAF cleaner real quick and try that... if that doesnt work then ill just unplug the switch under the dash, does that switch run off of a fuse or relay? maybe its the relay?
#22
well heres an update, i cleaned the IAC and what not, cant tell yet if its going to work or not, it died on the way back from autozone so i tried un-plugging the switch and it wont even start at all, i plugged it back in and it fires right up, there are only two things i can link it to at this point and you guys tell me what you think, 1) Fuel Filter 2) Fuel kill switch (What is the exact name of this part?) let me know what you guys think.
#24
let me give that a try ill be back with an update.
UPDATE: did a bypass with a wire and still runs a little weird little bouncy/puttery (basicly the same as when its on the switch) Going to get a new Fuel filter tomorrow and swap that out, thats really the only thing i can think off at this point. if its not that then it must be fuel pump going out.
thanks for the help man..
UPDATE: did a bypass with a wire and still runs a little weird little bouncy/puttery (basicly the same as when its on the switch) Going to get a new Fuel filter tomorrow and swap that out, thats really the only thing i can think off at this point. if its not that then it must be fuel pump going out.
thanks for the help man..
Last edited by tHe sR5; 05-06-2009 at 11:54 PM.
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