Question about 2005 Chrysler 300

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2005 chrysler 300c misfiring cylinder

One of my cylinders is misfiring. I already have new wires, plugs, a new coil for that cylinder, and a new injector for that cylinder, and the problem still happens.
Also, when I put the pedal to the floor, my RPMs rev high, but my car doesnt accelerate. It just coasts. If someone could help me out, I would forever be in your debt.

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  • tab247us Jan 04, 2009

    RAM 1500 5.7 liter HEMI Cylinder #2 misfiring, causing high revs and transmission to shift incorrectly. Not plugs, ignition coil,wires, or injector. Two different mechanics clueless. Any help would be appreciated!!!

  • Marika Heimer
    Marika Heimer Jan 08, 2009

    Chrysler c300 3,5 litre 2006 OBD readout: cyl 4 misfire, diagnostic lamp flashes on konstant and motor start running in prefixed mode. When i delete fault from brain motor run normally again but after some period fault returns, cant find out when because random city and highway.

    changed all 6 coils,4 lambda sonds,2 catalytic converters, sparkplugs, wiring from coils to brain, chock sensors, top dead sensor, inlet manifold complete, oil to thinner valvoline 0w30-maybe valve lifters stuck, mooved around coils and plugs again, problem still there after 6 months and actually not so happy about this car....

  • Bstanley51 Feb 15, 2009

    I have the same problem. Replaced EGR valve and mechanics have put 6 different 02 sensors, new plugs and now dealership mechanic said I have a burnt valve which he says will cost me 1,400.00 to fix? Code reads random misfire

  • vvdawlvv May 16, 2009

    if anyone can help...i have a 2005 chrysler 300 touring. cylinder 1 and 5 keep misfiring. we replace the spark plugs and coils and the problems still there. my car shakes violently about every 4 seconds when im driving & i have to take my foot off the gas to make it stop shaking. if i keep my foot on the gas then the shaking gets more "violent" and when i come to a stop it putters like its about to break down. i dont know what to do. my dad cant figure it out and hes a mechanic. i need help please.

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I have a 2006 5.7 Hemi 300C AWD - #4 cylinder started to misfire at idle. Problem just happened without cause on a Sunday morning. Dealership mechanics have exchanges coils, PCM, etc. problem stays with #4 and is sporadic (soemtiem cold idle, sometimes hot). Happened after a new fill of 90 octane gas from Shell (always use this station, never any previous problems). Car is in perfect shape, with only the dealer ever touching it at every req. maintenance schedule. Today they are pulling the head to check for valve issues. SMART troubleshooting trees and TSB's are no help so far. Anyone else with a solution?

Posted on Sep 01, 2009

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On the 3.5 engines the valves dont rotate unless engine rpms are run between3500 to 5000 wich causes carbon build up on the valves wich causes a misfire chrysler has a valve train update kit where they put new springs and clips that let the valves rotate at a lower rpm to keep them clean

Posted on Nov 30, 2009

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What's the "inlet manifold valve axle"? Is that the pivot for the throttle body blade or an idle air bypass valve? Thanks!

Posted on Nov 13, 2009

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Changed to IRIDIUM spark plugs and loosened the inlet manifold valve axel and tightened the inletmanifold with the correct tork so the axel can moove freely, that solved the problem...

Posted on Jan 20, 2009

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Check for a hairline crack in distributor cap.....also if car revs and doesn't accelerate ,sounds like your transmission,possibly your pump ,if your lucky,lesser of two evils

Posted on Nov 25, 2008

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