Question about 2000 Acura TL

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Misfire in Cylinder 1,2,3,5,6 of my 2000 Acura Tl

While driving my car on freeway it started to misfire. I bought a OBD reader and it comes up with code P0301, P0302, P0303, P0305, P0306, P0300, and P1399. I checked coil packs and they appear ok. Not sure 5 would go out at once either. Front side of motor plugs seem to be white and no gas odor. Back 3 have gas residue. Sprayed soapy water on vacuum hoses to detect vaccum leak and no luck. Put fuel injection cleaner in gas tank and as of now no better results. TCS light also comes on? Any suggestions or ideas be greatly appreciated.

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  • jason_davis0 May 17, 2009

    Replace coil packs or crankshaft position sensor?

  • jason_davis0 May 17, 2009

    thank you

  • Erin Moore Jun 19, 2012

    I am sure you gotton it fixed now or sold it, misfiring codes lead to my EGR valve replacement

  • Erin Moore Jun 19, 2012

    I know its 2 years ago, you already gotton it fixed or you sold the car.. my problem was EGR valve needed replacement, check done, 2 months later i have the problem with the code PO303, i am out of ideas of whats wrong!!

  • Austin Garcia Dec 07, 2016

    Did that fix the problem same thing is happening with my car


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You may have a faulty crankshaft position sensor this is what controls the firing of the plugs. you may also have corrosion on the plug for the coil pack causing multiple misfires

Posted on May 17, 2009

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  • jon fuller May 17, 2009

    replace the crankshaft position sensor unplug the coil packs and check for corrosion and put some of the electrical grease into the connection to seal it up

  • Mike
    Mike Dec 19, 2013

    or go to Encino Auto Center by shell gas station On 16801 Ventura Blvd Encino CA 91436 hes name is Mike

  • Austin Garcia Dec 07, 2016

    So did you end up fixing the problem? What was it? The same problem is happening to me


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Solved. While the engine is running disconnect the electrical connections to each coil one at a time. Disconnecting the electrical connection to a GOOD coil will cause the RPMs to drop.... when you get to the one that has no affect while disconnecting this is your culprit. Change the beast!!!
Symptoms were: TCS light, steady and flashing CEL light, shaky engine, feeling like it wanted to die out while at stop light or idle.
ALL are resolved by changing the bad coil. Reset the CEL by disco-ing the batt cable 3-5 min.


Posted on Jul 13, 2013

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Check for cracks in the actual packs under the boot. Check the boots for holes or tears. Also put your key in ignition switch, turn to on, tap the key into the switch. Do the dash lights flash on and off? I just went through all of this with my car. Try all this, see what happens.

Posted on Jul 28, 2009

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Posted on Jan 02, 2017

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SOURCE: start and diesss

p0456: evap system. sensor failure
p0172: evap system. intake blocked
p0778: exaust valve control. solenoid/ecu faukt
p0300: cylinders misfire. check ht/ignition leads
p0301,303,304,305,306: same ht leads

hope this helps..

Posted on Apr 27, 2009

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SOURCE: engine runs rough at 40-70mph

have your codes cleared and as soon as your light comes back on get it checked right then. usually the first code that pops up is your problem,. and can cause faulse codes to follow. check your mass air flow sensor,. make sure the breather tube is on good and no cracks or tears in it. check fuel filter also hope this helps you in the right direction

Posted on Mar 10, 2010

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