Question about 2006 Ford Five Hundred

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Obd II code p0305 cyl 5 missfire, swaped coil pack no change, changed spark plug still have missfire. where do I go from here???

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Posted on Jun 12, 2008

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  • 99 Answers

SOURCE: Check engine light comes on. p0171 and p0351 codes found

From Lusty Kid:

I know the economy is bad, but change all of the plugs. Check your PCV Valve hose, 150 rottens them out allowing air to be sucked in, thus all kinds of codes.

Depending on mileage. Dismount the EGR valve and clean passages. If you are really good dismount the throtle position sensor body and clean out passages with Choke Cleaner., dismount where the EGR valves connects to the engine, clean out passages. Also check the hose thats behind this mounting to ensure is not clogged. If clogged clean it out. If not replace it. Is about 1.5 ft. long, connects to the PCV Valve Hose.

When is the last time you change your harness. Can't remember??? Replace it. Good Luck

Posted on Dec 26, 2008

hi99ins
  • 123 Answers

SOURCE: cylinder 5 missfire 1999 tahoe

How is the pressure in the fuel rail? a low pressure will cause erratic firing of the injectors - the further down the rail u get usually the worse the problem. If the fuel filter was not changed regularly or if the vehicle stood for a while, dirty fuel/standing fuel at some time in the recent past, this **** will accumulate in tyhe injectors. To avoid spending a loada cash, swap a few injectors around and see if the problem moves with the injector.

Posted on Jan 07, 2009

  • 1 Answer

SOURCE: Missfire

You may need a new wiring harness. They have to be ordered from Germany. This is my guess. (I am having a similar issue with my '94; rough idle, #4 cylinder not firing intermittantly, replaced plugs and 8 ignition coils; new harness is my mechanics guess)


cheers and buena suerte

Posted on Jan 26, 2009

  • 33 Answers

SOURCE: I HAVE A 1998 FORD EXPLORER AND IT HESITATES ON

Try running some fuel injector cleaner through your fuel tank. What you may have are a couple of plugged or missfiring fuel injectors. I would suggest checking all of your wiring to your injectors to insure good connection, replace your fuel filter and check for vacuum leaks.

Posted on Jul 20, 2009

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Misfire on #5 cyl


2005 Dodge Grand Caravan 3.8L engine misfire on cylinder 5.

answers.edmunds.com > Edmunds Answers
Aug 14, 2012 - MIL on; cylinder 5 misfire; most noticeable at idle in gear ... This could be caused by an EGR valve that is sticking partly open and not closing ...

OBD-II Trouble Code: P0305 Cylinder 5 Five Misfire Detected

www.obd-codes.com/p0305
A P0305 code means that the the car's computer has detected that one of the engine'scylinders is not firing properly. In this case it's cylinder #5.

ODB Code P0305- Misfire in #5 Cylinder - 2008 Dodge ...

repairpal.com > ... > Grand Caravan > 2008 Dodge Grand Caravan
Feb 22, 2011 - ... do something with a misfire in the #5 cylinder of my V6 4.0L engine. ... ODB Code P0305- Misfire in #5 Cylinder on 2008 Dodge Grand Caravan .... My2005 dodge grand caravan jerks when it shifts into gear what could it be.

My Dodge Grand Caravan has a Cylinder 5 Misfire,? ' Yahoo An


Dec 05, 2015 | 2005 Dodge Grand Caravan

1 Answer

2004 Sorento began with code P0305, cyl #5 misfire. Inspected and replaced plugs, wires, and coil pack on cyl #2. Repair shop told me cyl #5 injector bad so they replaced. Still has misfire.I suggeste


If you had code P0305, I don't know why they would have done anything to the #2 cylinder but if they have already replaced the plugs, wires and injector; here are a few more items to check:
1) Check connections from ECM. Look for any corrosions or bent/broken pins.
2) Check the fuel line pressure
3) Check the engine compression
4) And if the above are good, then you will probably have a defective ECM

Nov 28, 2014 | Cars & Trucks

2 Answers

2008 Cadillac CTS returning P0303 after replacing spark plug and coil pack


Error Code: P0303
Description:
Cylinder 3 - Misfire Detected
Possible Cause:
Wiring harness, igniter and fuel injector connectors.
Ignition system. (Spark plugs gaps)
Fuel injector No. 3.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression, cylinder No.3. (check valve clearance and throttle plate for excessive wear)
Engine control module (ECM).

Feb 27, 2014 | 2008 Cadillac Cts

1 Answer

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

2 Answers

I have changed the plugs and wire's and still get a missfire in #5 cyl.


If you have a OBD II reader or a scan tool then after you repaired the problem you should have cleared the code.
If you did clear the code, and still has misfire code, then you still have the coil to replace, and possibly the cam sensor.
Please let me know what you find.

Feb 10, 2010 | Chevrolet Malibu Cars & Trucks

1 Answer

I put seafoam in a 01 mits diamante(oil) drove fine now has code


if you have a coil on plug system, or a waste spark system.... swap coils and see if the miss follows the coil.... voila... that'll fix it.

Sep 11, 2009 | 2000 Acura TL

2 Answers

Misfires and codes PO316, PO306, & PO305 popped up on the diagnostics check. What needs to be fixed based on that?


You will need to replace no 5 and no 6 coil pack and spark plugs. P0316 is random missfire that computer could not detect the cylinder that was causing it,just knew one was missfiring.
Coil packs are common concern on these vehicles. Can get oil leak into the coil pack wells and may also even get moisture into them.
If yours is a 3.9L it may be involved in owner satisfaction program 07M07 or 07N09 in which they will cover them under the program for up to 10yrs or 100000 miles which ever comes first.

Mar 16, 2009 | 2003 Lincoln LS

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