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Dodge 2004


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rian83
New User

Mar 3, 2013, 11:57 AM

Post #1 of 4 (1206 views)
post icon Dodge 2004 Sign In
I have a 2004 dodge truck ram 1500 has a random misfire on number 1 and 6 Ive checked vaccum for leaks changed plugs and also checked wireing to coils and have come up with no problems pulled of number six coil wire no change pulled off other coil wires and drastic change im at a loss here this truck has 160,000 miles on it pluges have been changed also and still misfires can someone help


Sidom
Veteran / Moderator
Sidom profile image

Mar 3, 2013, 12:01 PM

Post #2 of 4 (1200 views)
Re: Dodge 2004 Sign In
swap the coils to different cyls and see if the miss follows the coils....


rian83
New User

Mar 3, 2013, 12:26 PM

Post #3 of 4 (1176 views)
Re: Dodge 2004 Sign In
i swapped the coils no change this thing has me confused


Sidom
Veteran / Moderator
Sidom profile image

Mar 3, 2013, 1:22 PM

Post #4 of 4 (1166 views)
Re: Dodge 2004 Sign In
Well....there are a few things that can cause a misfire....swaptronics is quick & easy....when that doesn't work then is sux, ya gotta roll up your sleeves & go to work.....

If you can track down what is causing the miss, that will help narrow it down.....Too much air/fuel? too little air/fuel? Electrical problem? Mechanical problem?

The thing with a miss due to a mechanical problem or and air problem... they both feels like the exact same thing but what you can do is if you have some propane, is add propane via the booster line (making sure it's sealed to the source and not creating another vacuum leak) and if the engine smooths out and starts running good, then you have a miss due to too much air and you can look for a vacuum leak, restricted injector, etc....

If it still runs poor, then it might be a good idea to take a compression test......., if the compression is good, then you are going to need to look at the electrical side of it.....a scope would help.....I suppose you could pull a coil, put a plug in it, ground it on the engine and make sure it's firing....





 
 
 






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