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Old 05-17-2005, 11:42 AM   #16
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Re: Multiple missfiring

Someone I know with a similar problem had a bad camshaft position sensor, so that's worth a check.
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Old 05-17-2005, 12:59 PM   #17
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Re: Multiple missfiring

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Originally Posted by f250e350
didnt you say you did test your ignition coil?? did you also say the readings on the coil were to high??....hmmm...well....it is only a $29 piece....well....???
They were on the high side but within tolerance. I'll change it and see what happens.
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Old 05-17-2005, 07:55 PM   #18
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Re: Multiple missfiring

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Originally Posted by f250e350
didnt you say you did test your ignition coil?? did you also say the readings on the coil were to high??....hmmm...well....it is only a $29 piece....well....???
OK, I changed the ignition coil and sparkplug wires. The wires are the second set. These are 8.5mm. Made sure of the seperation when I installed them. Still, no help. I am beginning to wonder if the catalytic is causing my problem.
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Old 05-17-2005, 09:19 PM   #19
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Re: Re: Multiple missfiring

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Originally Posted by 1999RamTuff
OK, I changed the ignition coil and sparkplug wires. The wires are the second set. These are 8.5mm. Made sure of the seperation when I installed them. Still, no help. I am beginning to wonder if the catalytic is causing my problem.
You should go to a shop and ask them to remove it and then let you drive it around for a second to see if it is. Don't just have them replace it.
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Old 05-18-2005, 10:13 AM   #20
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Re: Re: Re: Multiple missfiring

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You should go to a shop and ask them to remove it and then let you drive it around for a second to see if it is. Don't just have them replace it.
I have it scheduled at the dealership for tomorrow. AAARRrrggghhhhh!
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Old 05-18-2005, 10:14 AM   #21
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Re: Multiple missfiring

Let us know.....
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Old 05-18-2005, 03:12 PM   #22
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Re: Multiple missfiring

sounds like a pain to find out what the problem is....only on a dodge!!!
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Old 05-18-2005, 05:26 PM   #23
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Re: Re: Re: Re: Multiple missfiring

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I have it scheduled at the dealership for tomorrow. AAARRrrggghhhhh!
Why would you take it to a dealer?
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Old 05-18-2005, 10:45 PM   #24
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had the same problem on my 02 just curious - what kind of plugs are you using. mine runs terrible with anything but champions. dealership has had a lot of problems with other brands causing misfires. bosch platinums made mine misfire terrible
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Old 05-23-2005, 10:44 AM   #25
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Re: Multiple missfiring

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Originally Posted by kev2500
had the same problem on my 02 just curious - what kind of plugs are you using. mine runs terrible with anything but champions. dealership has had a lot of problems with other brands causing misfires. bosch platinums made mine misfire terrible
I use the OEM champion plugs. I have changed the camshaft sensor and the #8 cylinder sparkplug again just for the heck of it. I did drive it up to Dallas from Houston and I never got the check engine light. It ran pretty good actually. I will wait to see how it does up there. I did talk with a mechanic at the dealer and he said it may be a blown head gasket. Haven't checked that yet. I will have to perform a cylinder compression check to see.
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Old 05-24-2005, 08:30 PM   #26
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Re: Re: Multiple missfiring

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I use the OEM champion plugs. I have changed the camshaft sensor and the #8 cylinder sparkplug again just for the heck of it. I did drive it up to Dallas from Houston and I never got the check engine light. It ran pretty good actually. I will wait to see how it does up there. I did talk with a mechanic at the dealer and he said it may be a blown head gasket. Haven't checked that yet. I will have to perform a cylinder compression check to see.

good way to tell if its a blown head gasket is to check the oil....check for engine coolant in the oil and check the level of the oil IE: oil level above the mark you might have a blown head gasket
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Old 05-25-2005, 12:31 PM   #27
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Re: Re: Re: Multiple missfiring

Quote:
Originally Posted by f250e350
good way to tell if its a blown head gasket is to check the oil....check for engine coolant in the oil and check the level of the oil IE: oil level above the mark you might have a blown head gasket
This is not always the case. The gasket blowing does not always let water into the oil.
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Old 05-29-2005, 12:19 AM   #28
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OK, I started to get a flashing check engine light, so I took it to the dealer on Friday. They said I had missfire codes on 7 out of 8 cylinders. I went back to OEM mopar parts on the distributer cap, wires and rotor. I drove from Houston to Dallas this weekend and it is still hard to start and is running rough on the lower rpms. I'm gonna check for a blown intake manifold gasket tomorrow. I want to get a compression check on the cylinders to see where I'm at with that.
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Old 06-24-2005, 01:30 PM   #29
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My move to Dallas was a success. My truck is back at the dealer. I explained everything that has been done. The dealer in Houston told me the anylizer came up with multiple missfires on 7 out of 8 cylinders. I have replaced everything I did previously with OEM Mopar components. Still nothing. The mech thought possible headgasket blown 2 ea. or blown intake manifold gasket. I checked the intake when I got up here and saw no oil in the plenum. I am keeping my fingers crossed and my pocket book handy.
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Old 06-24-2005, 01:59 PM   #30
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Re: Multiple missfiring

I have a long shot...you said it runs rough at low rpm, and hard starting. On the older Mopar motors, the timing chain would stretch enough to cause the problems you're having. It's worth a check to open the timing chain cover and see if there's slack in the chain.
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