Question about 2004 Dodge Ram 1500
Have to hold the gas down to keep it running.
There should be an AIS automatic idle speed motor mounted on the side of your throttle body across from or near your throttle linkage, or in that area. Usually held on with 2 torx screws. That regulates your idle up & down as needed depending on load situations on the engine, so that it doesn't stall out. Quite often they get gummed up or become defective and cause stalling. Before spending money on parts etc, (by the way, I'm told autozone will scan it free of charge for codes) I would get a spray can of throttle body cleaner, remove the AIS motor & clean the plunger & tip real good, and also spray some cleaner into the port that you removed it from, rub a little vaseline on the "O" ring at the seal of AIS motor before you re-install, and put it back in, tighten up the screws & give it a try. If it cures it great, but if it acts same shortly after running good for a while, buy new & replace. A lot of the time, this thing does not show a fault code in the computer, so it gets overlooked. Keep us posted
Posted on Jan 04, 2009
I had the same problem with a 2001 Dodge Ram 1500 V6. The truck turned over very slowly and would not start unless you pressed the gas pedal half way down. Once it started it would stall unless you kept the gas pedal pressed part way in. Once the truck warmed up, it would only crank over a few times, very slowly, like the battery was weak, and usually wouldn't start. I replaced the Idle Air Control Valve and it starts and runs like new. It even turns over and starts right up when hot. The new valve cost about $45 at Auto Zone. Thanks for the fix!
Posted on Apr 20, 2009
If your "check engine light" has been coming on intermitantly over some time,
then I suspect your "crank case sensor".
I had a similar problem and that was it.
It's not a cheap fix ..........$300 or more.
Hope this helps.
Posted on May 01, 2009
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Posted on Jan 02, 2017
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Engine stall or RPM fluctuates
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control
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Here are the most common causes of idle surge, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake
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