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Pickups Dodge Dakota Dodge Dakota Engine and Underhood Questions
377 messages, Last post on Nov 23, 2009 at 5:17 PM
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| I have a 2001 Dakota 4.7 engine 230,000 mi automatic trans,4X4. Starting last year when it got below 35 degrees I get a engine fault code P0202. I know it's for the no. 2 injector control circuit but I am not sure if it is a problem. I get the same mileage after the code as before (17.3) so am wondering if this is more of a cold start problem? It starts easy when warm or cold any help is appreciated. Thanks, Frank | |
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i have a 95 dakota with the 318, first off my truck was stalling going down the road and at red lights then it finally died and would not start just roll over ihad no spark and no fuel so i changed fuel pump and new plugs,wires,ect.. still nothing so tried a reman computer and changed all the relays,cam pos sensor, crank sensor still nothing,started tracing wires and found the red wire from auto shutdown relay to the computer was corroded fixed and the truck fired right up. now the truck has alittle miss at idle and going down the road if u give it alitttle gas and let i level off at a certain rpm the truck will backfire and start jerking also the truck would stall sometimes it will start and sometimes it wont. found out the plastic piece that hold the wire on the bottom of the coil was broke replaced the coil and the wires were loose so i filled the plug with dielectric grease. that seemed to fix the stalling problem but the backfire and jerking is still there and seems to be getting worse. yesterday i took the fuel rail and the injectors out inspected everything and cleaned everything. injectors seem to be electrically sound. also changed tps,torqued intake down, checked for vaccuum leaks none were found the only code i could retvive was code 12 (1 flash pause 2 flashes) and by the chiltons book is memory standby power lost. the book doesnt say what that is. the only thing that i can think of that hasnt been looked might be the catconverter or o2 sensor which the sensor was replaced 20,0000 miles ago is there any suggestions out there or any answer on the code im getting . by the way i have 107,000 miles on the truck
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Replying to: cjwills (Nov 18, 2007 11:33 am) Here is what this means... First of all, you need to understand that the computer on your Dak. LEARNS as you drive. Over the course of driving under differing conditions, it LEARNS the best setting for ignition timings, Idle speed, Shift points (automatic), injection timings and other critical things. These LEARNED datapoints are stored in a "map" which relate the proper settings to external conditions such as throttle-position, ambient-temperature, engine-temparture...etc. Then, as these same conditions are seen again, the computer can instantly apply the "tweaks" to tune the engine because it proviously LEARNED what the best settings were and stored them in memory. This "memory" is lost if power to the computer is lost. (battery is disconected, computer is unplugged, fuse blows...etc) Given the above..... we can now understand that "memory standby power lost" means that the power-supply that maintains all of the LEARNED datapoints was lost. The only way to recover from this condition is to DRIVE THE VEHICLE. Over time, the computer will reLEARN the correct datapoints. The errorcode will reset itself over time.
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| the fan is loose and i can't figure out whats wrong. | |
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Replying to: bpeebles (Nov 18, 2007 6:05 pm) |
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| I have a 1999 Dakota 3.9L and i am experience problems at a higher RPM both in gear and in nuetral. The truck just won't rev above 3,500 RPM's like it cuts out. But runs fine at low RPM's. Any ideas????? | |
I have a 1990 dakota with 5.2L. I want to put a 5.9L in it. The 5.2L is internnaly balanced, and the 5.9L is externnaly balanced . What else has to be changed? Jeg has a flex plate for 5.9L w/904tf, will this bolt to the A500 converter? Or does the converter/flex got to be switched? The engine is also getting a cam upgrade. Where can the computer get upgraded? Or can I leave it?
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my 1999 Dodge Dakota start fine but after running a minute or two will act like its running out of gas, it will backfire, and create a smelly exhaust. This occures for maby 15 seconds then you can drive the truck for hours with no problems unless you shut it off for a few minutes. Does not seen to be as bad when the engine is real cool or after you fill up the gas tank. |
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I recently replaced the engine with a used one, everything went well in the change and started right up, but the Idle is very high, almost wide open, is this something to do with the computer settings, this was my first engine change and Im not up to date on the newer stuff with computers. Can anyone help me out?
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Replying to: kmk894 (Dec 05, 2007 8:43 am) |
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