Question about 2001 Dodge Ram 1500 Truck 2WD

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Po 108 Replaced the Map sensor, reset computer, still same code pops up, car wont run when first started, spits and sputters, idle speed goes from 500 to 1500 radically, after warm up in 1 min. problem stops, runs ok, but let car sit for one minute, starts up bad again.

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  • getair777 Jan 10, 2009

    I have verified that there is 5 volts at the plug to the Map sensor. Thanks for the reply. I am scared that it is the PCM. Thank You

  • Anonymous Mar 15, 2014

    runs good then starts to spit, sputter, and pops through carbuator then runs good again

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Where is the map sensor on a dodge ram pick up 4.7 2001

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If there is not a vacuum leak it seems that the signal wire to the MAP is either open or shorted to 5 volt reference wire. if not either of those may be the PCM

Posted on Jan 10, 2009

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I have 2005 dodge neon sxt. I've had the camshaft sensor and o2 sensor replaced. Car spits and sputters like it has bad gas. When idling car is fine but when giving gas it sputters


Rather then guessing having diagnostic's run by a qualified repair shop would be your best option . Checking fuel trim's short an long term fuel trim's ,are the O2 sensors switching normally , What's MAP voltage ? Do you know what a MAP sensor is ? The manifold absolute pressure sensor (MAP sensor) is one of the sensors used in an internal combustion engine's electronic control system. Engines that use a MAP sensor are typically fuel injected. The manifold absolute pressure sensor provides instantaneous manifold pressure information to the engine's electronic control unit (ECU) Coolant temp. sensor , Throttle position sensor . If you had to a repair shop , find a better one.
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My car starts and runs fine but idle it will sound like its cammed out like crazy it spits and sputters only at idle and every sensor has been replaced already


The best bet would be to bring it to O'Reily and let them hook there diagnostic tool to see which codes are popping up on the screen. Process of elimination. It could be a fuel filter, fuel pump, erg valve, timing mechanism failing, pcv valve clogged, map sensor, etc. Good luck!

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Engine missing out, spitting and sputtering


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I usually want to check sensor wiring circuits before replacing anything. As you can see, the map sensor shares ref voltage and ground with others. Orange wire with black tracer is signal return. The gray wire should be ref voltage 5 volts. The signal wire should be lite green. Vacuum for the map sensor is also important. What was actual trouble code was it two digit code or five?
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Computer codes po-141, po-108,


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1 Answer

Po 108 fault code


Sounds more like a mass air flow sensor problem.

Jan 09, 2009 | 2001 Dodge Ram 1500 Truck 2WD

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