P0545 & Po307 engine codes... - Dakota Durango Forum
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post #1 of 4 Old 06-17-2009, 06:46 PM Thread Starter
connorri
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P0545 & Po307 engine codes...

Hi all,
I'm having problems with my '98 Dakota (318ci).
I've just started getting the P0545 code which refers to an A/C Clutch problem. Any idea what this maybe? I've read somewhere that this may be the relay? Not sure where to start on this one... Don't want to order parts unneccesarily as it's expensive getting them shipped to the UK, especially if it's not the right one! I usually run the A/C on her and it's still putting lovely cold air out without problem.
Also, I keep getting the P0307 (misfire on cylinder 7) code come up. I've replaced the sparkies several times now and it seems to work for a couple of months and then comes back. I've also replaced the HT leads twice. Other times the error will just come up, turn off and turn her over and it's gone.
the truck seems to be pulling fine, plenty of power and doesn't sound sick so I'm not convinced there is a misfire.
Would appreciate any advice on these, as being in the UK, there aren't too many Dodge's round here and most garages don't want to touch it, so I'm learning it all myself as I go along.
All advice appreciated.
Thanks - Rich
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post #2 of 4 Old 06-18-2009, 12:55 AM
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post #3 of 4 Old 06-18-2009, 08:22 AM Thread Starter
connorri
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Thanks for the quick answer. I'll have a butchers at this next week some time and see if that is the cause. As for the rotor/cap I do have a couple of these spare, so I'll do that at the same time. Fingers crossed she'll be ok. The mileage is highish - 120,000 - and I didn't want to test the compression as I'd be too scared to see the results! Especially as last time I had something similar on an f150, it cost 8k to get the engine rebuilt here and then it went up in flames a week later. Big ouch!
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post #4 of 4 Old 06-22-2009, 07:43 PM Thread Starter
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Well, i swapped the relay from the front fog lights with the a/c clutch the other day. So far the check engine light has not come back on. However due to an accident i've been unable to do anything else on her since Friday.
Fear not on the front fog relay, it's illegal to use them here unless in fog, and as its summer time here, i shouldn't need it. Then again, its england and you never know... That gives the local Chrysler/Jeep garage some time to get sent out to me...
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