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Search Auto Parts Search AS my 318 warms up engine has less and less power Sign up here!   Email This Post Auto Repair Home>> Truck Repair>> Truck Repair Advice triton9600 New User Nov 12, 2010, 3:00 PM Post #1 of 4 (2889 views) AS my 318 warms up engine has less and less power Sign In 1 I have a 1994 Ram 250 van 318 engine with a DTC:37 code open or shorted condition detected in the overdreive solenoid control circuit or trans. relay circuit in JTEC Re transmissions. 2 open or shorted condition detected in the Torque Converter clutch ( part throttle Unlock) Solenoidcontrol circuit. Shift Solenoid C electrical fault - Aisin transmission. or trans. relay circuit in JTEC Re Transmissions. That is word for word that my craftsman scan tool reads. When engine is cold i can do 70 miles an hour as the engine stats to warm up the van has less and less power. When up to normal temp i can only do 10 miles an hour. Even if i am in park the engine runs good, As it starts to warm up the engine starts to run rough and backfire more and more. I do not need to be driving the van. I put new Cat. converter on, I put new (map sensor) on, my fuel pressure is great 40 psi all the time my vaccum is great i have 20 inch vaccum all the time. I do not have money to pay tech. Not in new jersey anyway. I don't know if the code 37 has anything to do with my problem. Country: United States Make: Dodge Model: dodge van ram 250 Year: 1994 Engine: 318 (This post was edited by triton9600 on Nov 13, 2010, 7:48 PM) re-tired Veteran / Moderator Nov 12, 2010, 8:05 PM Post #2 of 4 (2864 views) Re: AS my 318 warms up engine has less and less power Sign In You are chasing the wrong gremlin . The problem is in your tranny. Find a good trans shop and show them your info. LIFE'S SHORT GO FISH triton9600 New User Nov 12, 2010, 9:23 PM Post #3 of 4 (2859 views) Re: AS my 318 warms up engine has less and less power Sign In How can it be my trans. even in park when engine is cold it has power. after it warm up i have no power and the engine starts to back fire and run rough. re-tired Veteran / Moderator Nov 13, 2010, 8:44 AM Post #4 of 4 (2854 views) Re: AS my 318 warms up engine has less and less power Sign In All i have to go by is what you are giving me. You gave a list of tranmission related codes and data .And the van not going over 10 mph. You did not mention backfiring and running rough . You need to have codes cleared and a full drive cycle test done and a scanner that gives you live data stream. LIFE'S SHORT GO FISH   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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