I have a 94 Dodge Ram when the engine is cold and I come to a stop rpms drop down to almost zero before coming back up to proper running idle unless I change gears to neut at first when engine is cold


Asked by Jul 25, 2014 at 08:02 PM about the 1994 Dodge Ram 1500 2 Dr LT 4WD Standard Cab LB

Question type: Maintenance & Repair

11 Answers


May be check your vacume hose,s.

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but it only happens Wen engine is cold?

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when engine cold and I come to a stop in drive it drops down to 0 RP M's and then shoots back up by itself unless I put it in neutral or 2nd gear then it is fine. When engine is warm after a few minutes everything is OK


Sounds like possibly dirty/faulty idle air control valve or dirty throttle plate.

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brand new idle air control valve brand new throttle position sensor and mass air flow is good as well

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Name brand idle air control valve or one of the cheap on line ones? Went thru three cheap ones(two did not work right out of the box, one lasted a month) before I finally broke down and paid top dollar for a good one at a local auto parts store. Fixed the issue. Have you visually watched yours work?

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http://ramchargercentral.com/vehicle-help/1994-dodge-ram-check-engine-codes/ and--- http://dodgeforum.com/forum/general-tech/8717-service-engine-codes-for-obd-engines.html ....you can get a diagnostic from CEL flashes, since your 1994 does not have OBDII that you can use a scanner

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http://dodgeram.info/Engine-Gas/OBDI/pcm_fault_code.htm ...is another, a real good site to help you

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yes I bought idle air control valve from auto parts store new still didn't work did the key code and got error code 37


torque converter solenoid?


Thinking low fuel pressure

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