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Rory
Dodge Dakota
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8/24/2004
21:34:52
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 Subject: 3.9 Stalls at low RPMS
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Message:
I have a 94 3.9 dakota. I just replaced the fuel pump, map senser, idle control valve, plugs, plug wires, cap, and rotor. When I start it it seems to idle low. Then when I put it in gear forward or reverse and start to accelerate it stalls. If I put it on the floor it does not stall. It only stalls when I ease into it. It seems to be getting worse. The check engine light had been on but went off whet I replaced the Idle Control Valve. I also took the throttle body off and cleaned it thoroughly. Still no difference. Any help is greatly appreciated.
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daddio
Dodge Dakota
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8/25/2004
09:20:38
| RE: 3.9 Stalls at low RPMS
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Message:
check your tps? probe middle wire+ and ground with a digital meter. should be .50vdc or so @ idle and gradually increase to about 3.5vdc @ WOT. should be smooth with no dead spots and return to .50vdc @ idle.
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?
Dodge Dakota
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8/25/2004
09:38:12
| RE: 3.9 Stalls at low RPMS
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Message:
EGR valve/solenoid sensor ( comes as a package )
$ 50.00 to $ 80.00 depending where you get it
at rear of intake manifold passenger side of
distributor.
Replace it and all troubles over..
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Rory
Dodge Dakota
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8/25/2004
14:16:32
| RE: 3.9 Stalls at low RPMS
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Message:
Thanks for the advice. I am going to try it. If anyone knows what the codes 52, 13, and 14 mean please tell me. Thanks
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JOYCE
Dodge Dakota
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8/27/2004
00:26:04
| RE: 3.9 Stalls at low RPMS
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Message:
codes 52 is oxygen sensor and 13 is m.a.p.sensor.
I HAVE THE SAME PROBLEM WITH MY '92 DAKOTA AS RORY! I shift it out of gear at red lights, stop signs or in traffic to keep it from dying. These have been replaced; didnot help.
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Bob Lincoln
Dodge Dakota
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8/27/2004
09:04:23
| RE: 3.9 Stalls at low RPMS
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Message:
With all those codes at once, I'd suspect a bad harness ground.
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?
Dodge Dakota
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8/27/2004
15:31:57
| RE: 3.9 Stalls at low RPMS
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Message:
http://www.dodgeram.org/tech/gas/Trouble/pcm_fault_code.htm
for codes
sounds like a bad or poor connection to the
MAP sensor -=- on my 95 it is on passenger side about 1/3 back on intake manifold.
You may have disturbed the connection when you
were working on the throttle body ??
Check into that first before worrying about
code 52 - richness of mixture
Only if code 52 returns after fixing MAP - then check O2 sensor and injectors
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Tony
Dodge Dakota
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8/27/2004
17:35:07
| RE: 3.9 Stalls at low RPMS
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Message:
I just experienced the exact same problem today. Truck was running fine after aboptu an hour of driving, not hard driving but in traffic. I go to the store, come out, start it up, put it in drive and it died on me. I started it up again and everythign was fine. This was the first itme this has happened to me.
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tom
Dodge Dakota
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8/27/2004
18:40:14
| RE: 3.9 Stalls at low RPMS
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Message:
i have the same problem with my 98 3.9l a friend told me to pour some inject cleaner.. i tried and the engine is running good, low noise but after keeping the engine on for a while the RPM start droping..any help..someone????
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Ric
Dodge Dakota
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5/30/2005
11:05:52
| 3.9 will not idle or rev above 4k rpm
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Message:
My 93 dakota will start but not idle. It will rev to 400 rpm but not go any higher, it dies if I try to put the throttle at wide open.
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