Question about 1987 Dodge Dakota

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1987 Dakota plugs

I have 1987 dakota v6 3.9 the plugs all six got all black with carbon after 50 miles with new plugs. I clean the plugs and they are still getting black with carbon again what cause this

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  • jz24 Aug 25, 2008

    that a tough one

  • jz24 Aug 25, 2008

    I check the 02 and air filter its Ok It has a carb. on a 1987 was the last year for a carb.



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Check your 02 sensors and be sure that the air filter is clean. You also may be having trouble with the fuel pressure regulator.

Posted on Aug 25, 2008


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1 Answer

What is the best way to set timing in a dakota 2.5?

Timing isn't responsible for carbon fouling. Carbon fouling is from too much oil leaking past the rings - worn engine.

Aug 07, 2014 | 1998 Dodge Dakota

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1987 Dodge Dakota 3.9 engine, Holley 2 barrel. Having running issues. Bought the truck cheap cause it wouldn't run. Cleaned the carburetor and installed a rebuild kit. Starts right up and idles great....

Yes, the floats may be causing the fuel level in the carb. to be too high. The black plugs indicate running too rich. Clean the plugs and check the fuel level.

Sep 09, 2013 | 1987 Dodge Dakota

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Gauges won't work on a 1987 dodge dakota

Most cars have a voltage regulator behind the dashboard that supplies a stable voltage for the gauges. Have a look, if you follow the wires from the gauges you will probably find one wire from each gauge going to a small regulator box. If you cant get a new one an electronic technician can build one for you.

Sep 08, 2012 | 1987 Dodge Dakota

1 Answer

1987 dakota, will not crank over, battery,starter fine, whats wrong?

If automatic could possibly be safety engage on shifter; or if automatic could be the safety switch on clutch. On auto try to rock vehicle and reengage shifter. Standard check clutch switch.

Aug 24, 2012 | 1987 Dodge Dakota

1 Answer

Where can i find a spark plug diagram for a 1987 dodge dakota 3.9L v6

I suggest check this for your 1987 Dodge Dakota 3.9 liter V-6 VIN "M"


Hope helps' remember to rate and comment this free answer.

Aug 07, 2011 | 1987 Dodge Dakota

1 Answer

I have an '89 dakota that misfires when it warms up, i have replaced the distributor, wires, plugs, coil and resistor.... what else could it be?

Have you considered the throtle body injector? If the injector is not spraying a fine mist this will cause plugs to foul out and you will get the symptom you describe. The ERG valve on the back of the motor may be anothe cause during warm up operation. These usually plug up with carbon and do not work when you 100k miles or more.

Make sure you used good quality wires and plugs (not platnium, in these ones).

These are good engines. Even though fuel system has been upadated over the years, the gas mileage was great on these old birds. Not like the 17 mpg on the new generation dakota's today.

Nov 27, 2010 | 1997 Dodge Dakota

2 Answers

Spark plug gap 1987 dodge Dakota 3.9L-2

  • Engine:3.9L V6
  • Spark Plug:RC12YC
  • Gap .035" (0.9 MM)
  • Sep 01, 2010 | 1987 Dodge Dakota

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    No heat 1987 dodge dakota 3.9 replaced hoses,cap,thermostat,cap flush and reverse flush, refill with 50/50

    poss. clogeed heater core ,, have you or anybody ever put in radiator sealer ?? , will kill a heater core just like that ,,,,,,,,, when you rev. flushed was it @ the heatercore????

    Nov 20, 2009 | 1987 Dodge Dakota

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    Why is does my 1997 dodge dakota's headlights flicker on and off.

    UNDER THE HOOD ,,DRIVERS SIDE, BLACK BOX,, ARE CIRCUIT BREAKERS,,, 50 amp breaker goes to headlamps,, 50 amp goes to blower motor, switch those breakers around and problem is solved...

    Jan 25, 2009 | 1997 Dodge Dakota

    1 Answer

    My dodge dakota 1987 squeals at 50 miles an hour

    I'll BET you have window visors or rain guards!
    Look at the bottom of them as you drive air will go between the door and the guards and make a very nice squealing noise.


    Jan 18, 2009 | 1987 Dodge Dakota

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