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    What did you do to your jeep today?

    not in a position to sell it right now, (don't want to commit to a new vehicle payment while i have other projects ongoing) so i'm doing both heads and the timing chain guides and tensioner arms. I would gladly part with the complete build as is though. especially knowing that it would be...
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    i will do this one head and put maybe another 5-10k on the vehicle before i sell it or trade it in for something else. i'm tired of spending money maintaining a vehicle that i don't trust for a long distance trip.
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    What did you do to your jeep today?

    parked it in the driveway, going to order a remanned head from napa today, head gasket, head bolts, valve cover gasket, and whatever else i need to do the passenger side head on this thing. started a new savings account for either a Tacoma, 4runner, Silverado, or Colorado. the jeep has screwed...
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    155k on it, if it was ever overheated, it was before I owned it, bought it in 2009 with 48k on it. oil has been changed every 5k miles since I bought it with full synthetic and a nice filter, (mopar, napa gold, royal purple, or napa platinum filters, bg oil at the dealer and mobil 1 ep since i...
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    dealership did a leak down test and the #4 cylinder was 15% faster than all the others. looking at doing a new head on it this weekend or next weekend now.
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    swapped everything with brand new replacement parts. it was due for plugs and i figured at first it was a bad coil. when that didn't fix it I changed the pcv valve which was also due, checked the pcv lines and vaccuum lines, nothing out of the ordinary. then after a bit of reading and...
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    never thought i would say this but, I will be relieved if I just need a new PCM. thanks to dumb laws in NY a new set of CATs would set me back about 1250 plus the cost of new 02 sensors. CARB is retarded.
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    My only reason for not suspecting the cats is that the problem is isolated to cylinder 4, if it were a clogged or otherwise bad cat wouldnt it affect the other cylinders?
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    So after a compression test revealed no issues, i believe the problem is with the pcm or the wiring. Off to the dealership for diagnosis I go
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    yea TBH i am thinking either valve seals or seats at this point. if it is seats i will probably just pull the head and have a local shop rebuild it.
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    High mileage club

    155k on the clock and the jeep is starting to bleed me dry.
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    P0304 cyliner 4 misfire 2006 kj 3.7L

    As the title states: i have a recurring P0304 code for cylinder 4 misfire. Long story short i have ruled out the following: Vaccuum leaks Pcv valve/leaks Spark plugs Ignition coils Fuel Injectors Throttle position sensor Camshaft position sensor Crankshaft position sensor The...
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    What did you do to your jeep today?

    And all that seems to be for absolutely nothing. New injectors, cam sensor, crank sensor, new coil on #4, new ngk copper plugs gapped to .040", new throttle position sensor, and still getting a misfire on cylinder #4. I think the only things left could be cats, pcm, fuel pump, valve springs...
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    What did you do to your jeep today?

    going to go home in an hour and replace all 6 injectors, crankshaft position senor, and the camshaft position sensor. with the hope that one of those things is what is causing my cylinder 4 misfire... if none of that solves the issue, i will be driving to the dealership and hopefully they can...
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    New to KJ: CEL Misfire #4

    Was the TPS the cause of the misfire? i believe i am having a similar misfire, the only code i am getting is p0304. definitely a bad engine shake at warm idle (600rpm) and when coasting if i am lightly pressing throttle and holding rpms from about 1500-1800 i can feel a shake. I have...
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    What did you do to your jeep today?

    threw more parts at it in the hopes of fixing the p0304. initially I figured it was a bad coil so I replaced it when I did the plugs, jeep ran fine for a short while it seemed and then the misfire returned, replaced the ASD relay and still have the misfire at idle. i ordered new...
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    What did you do to your jeep today?

    threw a code last night, p0304, so i picked up a new set of plugs and a new coil for #4, also noticed the radiator has started to leak at the infamous spot on the drivers side end cap. got over 4 years out of this one, so i will be picking up another new oem coolant cap and swapping the...
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    What did you do to your jeep today?

    google hillbilly mouse trap or adirondack mouse trap. take a 5 gallon bucket, a length of some type of metal rod (about 1/4" diameter), and a soda bottle. drill a hole in the center of the bottle cap and bottom of the bottle big enough for the rod to fit loosely through. cut a notch for...
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    What did you do to your jeep today?

    finally bought a cart/cabinet for the new tig welder, washed the jeep and cleaned the disgusting door jambs/hinges. decided my next project will either be a ford ranger or building a camping/overlanding trailer starting with an M1101 for the base. next on the tool list will be a good tubing...
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    What did you do to your jeep today?

    ordered some new wheel brushes and a set of wheel woolies to take care of the MOABs, loving the look of these wheels, and much to my surprise the 265/70r16 tires on the 16x8 tj moab have no clearance issues whereas I was still getting a minor amount of rub with the 16x7 pro-comps and 245/75r16...
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