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jeff306
Dodge Dakota
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6/03/2003
19:11:59
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 Subject: hesitation on accel
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Message:
Sorry that this is a little long. i have a hesitation while accelerating but not every time, and not just when first getting going. i can be cruising along at 35mph and push it to 3/4 throttle and it will start to accel and then just fade away smoothly, then it snaps back after usually 3-8 seconds all the while still at 3/4 throttle. i am a GM mechanic, but my dodge is sort of different to figure out. i am thinking it is retarting timing or going lean. fuel psi is great and it is freshley tuned up. i also replaced the tps, but no help. by the way it is a 92 3.9 auto. thank you very much for any insight.
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jeff306
Dodge Dakota
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6/03/2003
19:17:26
|  RE: hesitation on accel
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Message:
i for got to ask, on my 1992 will it ligh the check eng. ligh for codes?. is there a way for me to scan it myself. i thought i might have codes and not know it. thanks again
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DakAttack
Dodge Dakota
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6/05/2003
12:11:25
| RE: hesitation on accel
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Message:
Put the Key in the ignition
Turn the key to the "Run" position (The one right below start)
Move back to the "On" Position
Turn the key to the "Run position
Move back to the "On" position
Turn the key to the "Run position
Move back to the "On" position
The "P" codes will appear in the odometer, flashing the codes, one by one, and then it will flash "P DONE" when you've reached the end of the codes. Then you can look up the codes at.....
http://www.obdii.com/
http://allpar.com/fix/codes.html
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dumbazz
Dodge Dakota
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6/05/2003
12:37:02
|  RE: hesitation on accel
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Message:
DakAttack you was thinking with the wrong "HEAD"
The man said he has a "92" it's not obd2, he will need a scan tool for obd1
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vern
Dodge Dakota
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6/05/2003
13:23:23
| RE: hesitation on accel
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Message:
dakattack has the right idea,but forthe wrong year truck
turn key to the on -then off
on-then off
then on-leave on
count the flashes,on check engine light
the light should flash-one short pause then two,
this is code 12,means begining of codes or the codes have been cleared in the last 50 starts
after code 12 there will be a longer pause,then
more flashes,the first series of flashes is the first number in code,
the second series of flashes is the second number in code
5 flashes followed by 5 flashes code 55 end of codes
do this several times to double check your codes
every thing between 12&55 are working codes
check the volts on the tps,if i remember right .7 volts this can make a dead spot, also index your dist.,harmonic bal at 0 TDC,#1 on compression,remove dist cap,rotor button pointing
at #1 plug wire,looking down inside dist theres a line on the plastic electronic pickup,line rotor button up with this line[metal end]this will help timing
hope this helps
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jeff306
Dodge Dakota
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6/05/2003
21:53:37
| RE: hesitation on accel
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Message:
thanks for all the help, i was able to pull codes. and i had one for the oxygen sensor, so i replaced it and it run way better. the only persistant problem is the pinging on accel. am i just going to have to run 92 octane or what?
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patricia
Dodge Dakota
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11/05/2008
16:00:34
| help
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Message:
my 92 dodge dakota is a v 6 3.9 litter multi port im having a problem the coil is not fireing. and the eletric fule pump is not primming and i dont know what tester to get to check out my eletric system
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