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My 2002 Malibu has a P0305 - what does this mean

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P0305 is a Misfire on Cylinder 3 detected fault. It sounds to me like it's time to install new spark plugs and spark plug wires.

Posted on May 22, 2011

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Cylinder misfire p0305


fuel injector if its a multipoint injection.i gather p0305 will be no 5 circuit.could also be leaking inlet gasket.

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P 0305 P,FAULT/ PEND 01


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I have a 1999 chevy malibu its 6 cylinders 3100 engine and i have the codes with me this aare the codes that i need 1.#p0420 2.#p0410 3.#p0305 4.#p0449


P0420 - Catalyst System Low Efficiency
P0410 - Secondary Air Injection (AIR) System
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Sep 05, 2011 | 1999 Chevrolet Malibu

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2002 toyata camry v6 code p0305


P0305 Cylinder 5 Misfire Detected

can be many things
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you going to do work yourself? take it to ASE certified tech shop you pay less in long run they have proper scaners to troubleshoot problem, your start replacing parts till you got it

Aug 07, 2011 | 2002 Toyota Camry

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Dodge obd code p0305


The DTC (Data Trouble Code) P0305 is the generic OBD-II DTC for "Cylinder 5 Mis-fire Detected", and it means that the OBD-II control unit has detected a problem with the #5 cylinder.

The problem could be a faulty spark plug, or a spark plug wire for the #5 cylinder, or the coil for that cylinder could be faulty (2.7 liter), or the distributor or distributor cap could be faulty (3.0 liter), or the fuel injector for the #5 cylinder could be faulty.

Before you look for any electrical problems causing the mis-fire on the #5 cylinder, first do a compression check to be certain that the mis-fire is not caused by a mechanical problem.

Here are the firing order diagrams for the 2.7 and the 3.0 liter enginesto help assist you.


2.7 liter

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3.0 liter

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Jul 03, 2010 | 2002 Dodge Stratus

1 Answer

Check engine light is on and the codes are P0300 and P0305. Also it is a very slow starter cold but starts quickly when hot.


P0300 Basically this means that the the car's computer has detected that not all of the engine's cylinders are firing properly.
P0305 means the misfire is occuring on the #5 cylinder.

Check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Oct 29, 2009 | 2002 Chrysler Concorde

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What do the trouble codes mean? p0305 and p0135


P0305 IS # 5 CYLINDER MISFIRE DETECTED.P0135 IS BANK 1 SENSOR 1 OXYGEN HEATER CIRCUIT FAILURE

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TROUBLE CODES= P0301 & P0305 ?


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