The first check you should do to solve this issue is a KOER and KOEO. More commonly known as "pulling codes". I have linked the instructions on how to "pull codes". In a nut-shell you need to use a length of wire or paperclip to "ground" a pin on your self test connector (under the hood, driver side). Then, you get in the truck and turn on the key and count the blinks of the check engine light (CEL). This is called a KOEO (key on, engine off) test. For the KOER (key on, engine running) you will need to warm the vehicle to operating temperature then go through series of "press the brake, turn the wheel, press the OD switch etc..." and it will test all of your sensors. Then, it will blink some codes at you once this process is complete. It might be annoying at first, until you get the steps memorized. However, once you've figured out how it works--it'll be a life-saver. Don't replace a component without out doing a KOEO or KOER, first; or your just wasting money. Hope this helps
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SOURCE: 91 Camry surging
You maybe need to adjust the idle speed, on top of the intake manifold, near where it says EFI, there a small black rubber plug, pull it out, turn off everything in the car, then turn the screw in where the plug was to change the idle speed. Or it could be that you need a new Idle Control Valve
SOURCE: My 1998 Ford F-150 5.4L V8 shakes at idle.If im at
Usually that sounds like a bad spark plug wire. It could be one of the coil packs. I have the same truck and last year that happened to me. I went to Autozone and had them check it and it showed a bad #8 wire. By that most of my hair was pulled out. But it could also be a clogged fuel filter, just not all the way. I finally bought a meter so I can check my own codes. Do you have a "Check Engine" light on?
SOURCE: 1990 Accord chokes at low rpm idles low.
sounds like you either have a brake light out or you need air in your passenger side rear tire. jk. i wish i could help.
SOURCE: Cobalt not running at low rpm.......
All are possibilities but EGR valve makes the most sense. It's famous for causing poor idling and/or stalling at low RPMS. Best of luck.
Greg
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