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TONY Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
1/21/2005 00:41:50
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Subject: #6 CYL.MISSFIRE IP: Logged
Message: 1998 3.9L DAKOTA SPORT 120,000 MILES.
THE TRUCK STARTED IDLING ROUGH ONE DAY THEN
ENGINE LIGHT APEARED.P306.I REPLACED THE PLUGS
AND RESET THE ENGINE LIGHT.IT CAME BACK ON SOON
AFTER AND THE ROUGH IDLE IS STILL THERE.I
REPLACED THE PLUG WIRES,CAP,AND ROTOR AND
RESET THE LIGHT.IT CAME BACK ON SOON AFTER.P306
I POPED OUT THE #6 INJECTOR AND SWAPPED OUT
WITH THE #2 INJECTOR,AND RESET THE LIGHT.IT
CAME BACK ON SOON AFTER,ANOTHER P306.THE #6
CYL PLUG LOOKS GOOD(CLEAN WHITE,NOT GLOSSY)
THE PLENUM GASKET WAS MENTIONED BY A LOCAL
DEALER,AND ALSO IN THE FORUM.COULD THIS BE IT?
I HAVE NOTICED OIL IN TB.IT RUNS GOOD NO NOTICBLE
EFFECTS OTHER THAN ROUGH IDLE.WHERE DO YOU FIND
THIS 1/4 INCH ALUMINUM PLENUM GASKET?
ANY HELP WOULD BE GREAT THANX.
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93dak4x4 Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
1/21/2005 08:40:07
| RE: #6 CYL.MISSFIRE IP: Logged
Message: gasket is on the bottom of the intake, you have to remove the intake. as for telling you if thats the problem, i am not sure, i am interested to hear that as well.
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TONY Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
1/21/2005 10:28:15
| RE: #6 CYL.MISSFIRE IP: Logged
Message: ACTUALLY I MEANT WERE CAN YOU PURCHASE THIS
ALUMINUM GASKET?
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daddio Dodge Dakota JOIN HERE
1/21/2005 11:13:45
| RE: #6 CYL.MISSFIRE IP: Logged
Message: check your #6 injector connection. make sure it's getting the voltage it needs. also, do a compression check on all cylinders and compare readings on #6 to the others. if #6 is low that is likely the problem.
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racerX Dodge Dakota JOIN HERE
1/21/2005 12:45:40
| RE: #6 CYL.MISSFIRE IP: Logged
Message: a plugged cat will throw misfire codes too, and possibly cause a rough idle. i'd start there
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TONY Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
1/21/2005 13:06:54
| RE: #6 CYL.MISSFIRE IP: Logged
Message: THE CAT WAS REPLACED 20,000 MILES AGO AND I
ALSO HAD THE EXHAUST PRESURE TESTED IT WAS ALL
GOOD.I HAVENT DONE A COMP TEST YET.THE PLUG LOOKS
TOO GOOD TO SUSPECT COMP,BUT I COULD BE WRONG.
HOW MUCH VOLTAGE SHOULD I SEE AT THE INJECTOR?
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Seth Dodge Dakota JOIN HERE
1/21/2005 19:17:45
| RE: #6 CYL.MISSFIRE IP: Logged
Message: These motors are notorios for clogging injectors, remove your fuel rail, and the #6 injector, see if there is any trash in it, then clean the fuel rail and see if that helps.
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TONY Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
1/22/2005 21:11:50
| RE: #6 CYL.MISSFIRE IP: Logged
Message: I TESTED ALL SIX CYL. FOR COMPRESION.
THEY ARE NOT ALL EVEN,BUT THE BOOK SAYS
IF THE LOWEST READING IS 75% OF THE HIGHEST
READING IT SHOULD BE OK.ODLY ENOUGH THE LOWEST
READING WAS NOT THE #6 CYL. BUT THE #4 CYL.
BY PUTTING 2TSP OF OIL IN THE CYL. IT RAISED
THE COMPRESION SO I KNOW ITS NOT THE VALVES.
THIS WEEKEND I WILL BE REPLACING THE INTAKE
GASKETS AND THE PLENUM GASKET.TO ELIMINATE ANY
POSSIBLE INTAKE LEAK,AND THERE IS OIL IN THE
TB SO IM SURE THE BELLYPAN GASKET IS LEAKING.
WELL WE ARE GOING TO FIND OUT.
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