Help me Find out whats wrong with my truck
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Help me Find out whats wrong with my truck - 4/13/2008 9:04:57 PM
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aaron_keiser2006
Posts: 7
Joined: 4/13/2008
Status: offline
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Ok, this truck has pretty much never run right since the day we got it. It's 1991 Dodge Dakota with TBI 318 V8. It's 4x4, automatic. We live in smog nazi California. Smog is due as i am typing this. It was taken in to be smoged but ran so bad on the rollers that the tech couldn't even start the test. The truck will start and idle fine but once you rev the motor up to 1500rpm it and goes back down to idle. Ok so we bought the truck intending to switch the drivetrain to make it a rock crawler which we did. We replaced the automatic with a np435 stick shift. Now the truck is giving us 37 and 45 which is Govener pressure solenoid circuit fault code and the other is 37 which is Part throttle solenoid driver circuit. Are these codes because we switched to a manual transmission. Basically we've been trying to find out how to make this truck run right and nobody will give us any help. We are debating the idea of getting rid of this truck since it sucks so bad. The only reason its still here is because of all the time and labor we've put into it, which included everything from the motor back. I'm begging you please help. We just need to get it through smog then we can put a carb on it for another 2 years.
http://i83.photobucket.com/albums/j315/aaronkeiser/DougsTruck2.jpg
http://i83.photobucket.com/albums/j315/aaronkeiser/Dougstruck.jpg
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RE: Help me Find out whats wrong with my truck - 4/14/2008 12:57:59 PM
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Crazy4x4RT
Posts: 808
Joined: 8/10/2007
Status: offline
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First I would like to say welcome. Your truck looks good. You should post up some more pics. You said you made it a rock crawler. What did you do to it.
The lists of codes I have say a differnt thing. 37 Torque converter clutch solenoid CKT or park/neutral switch failure.
And no 45 on the list. You can check it out here http://www.dodgeforum.com/m_63384/tm.htm
This list might be different because this might just be for the mpi engines. I would sugest rereading your codes. That site explains how.
_____________________________
93 Dakota Was 2wd 5.2 NOW 4X4 5.9RT 33x12.5 6in lift 1/4mile 15.259 85mph at over 1mile el 14.2 sea lv. http://www.youtube.com/user/truck93 "No truck should ever be lowerd! NEVER"
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RE: Help me Find out whats wrong with my truck - 4/14/2008 6:04:22 PM
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aaron_keiser2006
Posts: 7
Joined: 4/13/2008
Status: offline
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This truck is my brothers BUT me and my dad did most of the work since he was off at school. We used a ford bellhousing to mate the wide ratio NP435, chevy 12in clutch. It runs the Borg Warner 1345 transfer case. The crawl ratio is about 83:1. The starters on the left side so we had to engineer a clutch linkage that would work behind it. It's got a high pinion full width dana 44 on coils front end from a bronco, warn hubs, detroit in the front. The rear is a dana 60 from a 68 ford f 100 with moser 35 spline shafts with a detroit locker as well. We made a custom bracket to bolt up a Warn 9500 winch. It had 37 mtrs but I took them and put em on my jeep. We have lots of pictures of the buildup but they're at my dads house. We really need to get this truck running right and we bought and entire 92 magnum 318 to put in it. We sent the engine to our machinies and both heads were cracked. We really don't want to throw away money on this doggy TBI setup. The OBD1 magnum seems to be the best setup but if they crack heads then maybe its not. Maybe a chevy 350 MPI would be better. How would these two fault codes make it run so bad. It's not a pluged cat since I took everything from the cat, back, and it still runs bad.
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RE: Help me Find out whats wrong with my truck - 4/15/2008 8:31:10 AM
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JetNoise
Posts: 93
Joined: 2/16/2006
Status: offline
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In my book the 45 code is something to do with the MAP sensor... I don't remember the wording, but I had that cade "pending" for a while... check your vaccuum lines and such. 1 bad vacuum connection or hose will make it run horribly.
_____________________________
1996 Dakota SLT
Extended Cab
318 5.2L V8
2WD
No, it's not a Hemi... Everyone knows that the big boys use Magnum!
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RE: Help me Find out whats wrong with my truck - 4/15/2008 2:39:26 PM
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AirForceGuy
Posts: 40
Joined: 8/7/2004
Status: offline
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In the 1991 factory service manual I have, it says the code 37 is a "Torque Converter Lockup Solenoid Circuit - An open or shorted condition detected in the torque converter lockup solenoid circuit (vehicles with automatic transmissions only)". That code makes sense if you switch it to a manual transmission.
There is no code 45 listed in the book. Are you sure its not a code 55, which just means there are no more codes?
Gerry
_____________________________
1991 Dakota, 3.9 liter, 5spd, 4wd, 159,6xx miles.
U.S. Air Force, Retired!
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