Question about 2002 Dodge Durango

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How do i fix codes PO355 and PO305

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Trouble Code: P0305

Cylinder 1-8 Misfire Detected

Possible Causes:

ASD relay output 2 circuit fault.Injector control 1 circuit fault.Coil control 1 circuit fault.Ignition wiring, spark plug, or ignition coil faultFuel pump inlet strainer pluggedRestricted fuel supply lineFuel pump module fault.Fuel pressure leakdown fault.Fuel injector is damaged or has failed.Engine mechanical problems exist.PCM has failed.Trouble Code: P0355

Ignition Coil No. 1-8 Primary Circuit

Possible Causes:

ASD relay power circuit to the ignition coil is open.Ignition coil primary "driver" circuit open or grounded.Ignition coil is damaged or it has failed.
PCM has failed.Here are the codes and causes.What you can do is Go to Dodge dealer,get oil change and they will scan your vehicle for free and find problem and tell you and how much it will cost and you can decide to let them or go home and do it your self,but you will find out for free what the problem is,they have a reader that pin points the problem,on these others you can replace good parts trying to find problem.

Posted on Jan 06, 2013


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code p 0305 is the no 5 cylinder misfire and included in the list of causes are plugs and wires but unfortunately also in the list of causes are== injector, injector connections and wiring and this is the most common area of the misfire and not the plugs or ignition circuit
pull and check no 5 injector and place it in another cylinder and see if the fault moves to the new cylinder
if it doesn't move it is in the wiring and control
if it does move , replace the injector

Jun 25, 2017 | BMW Cars & Trucks

1 Answer

Why does 2003 kia sedona engine code po305 come on ?

this indicates a miss fire on cylinder #5. can be caused by bad plug, plug wire, ignition coil, fuel injector problem either dirty or electrical, vacuum leak at the intake runner, a compression problem.

Sep 04, 2014 | 2003 Kia Sedona

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Lincoln ls computer

You need a professional scan tool to read the data
& road test until all 8 I/M Monitors run, before you go
to inspection

Can't have cylinder misfires,fuel trim out of wack &

Most likely you need to get up to speed on Preventative

Mar 04, 2014 | Cars & Trucks

1 Answer

1998 Ford Contour 2.5 litre, 30,000 km. Started cold after sitting for a day in -20C temperature, and idles for little while then quits, and smells like gas. Idle speed fluctuated and surged up and down...

PO171 and P1131 point to lean codes on bank PO174 and P1151 point to lean code on bank PO305 is missfire on cyl 5

the lean codes is probably a vacuum leak or maybe a MAF sensor is bad or dirty

missfire is dependant on engine if a V10 it may be a coil actually pretty likely on the modulars not uncommon thats for sure
sorry forgot to add that its says missfire on #5 cant remember if that one is the first on the left or last on the left facing the engine vacummn leak could be those dang auto hubs got it stuck in the mud and they did not engage I need to buy some new ones took them apart to clean them out this summer

Dec 16, 2013 | 1999 Ford Contour

1 Answer

I getting the code P0355 on coil E. In which I changed about two times within the last 6 months. I would like to know where that specific coil is located. The coil that I changed is the front of the...

The Ford Cylinder Codes are


also the letters match the cyl


PO355 is E or #5

Nornally #5 would be a PO305

1,2,3 are against the firewall
4,5,6, are on the radiator side

All ford cyl are from front of the actual
motor toward the rear

I would suggest extensive use of Google Chrome for
all your car issues & codes & also You Tube Video
is excellant.

Jan 24, 2013 | 2004 Ford Escape XLT

2 Answers

What is obd -1 code po355 mean

In the old OBD1 system the blinking of 5 5 is telling you that it's the end of the stored codes... you have a 96, you should have an OBD2 port someplace on your van. Go to an auto parts store and have them read your codes for free. Then post that code here.

Sep 01, 2012 | 1996 Dodge Grand Caravan

1 Answer

Jwant to know what this code mean po355

You have a COP Ignition Coil Misfire

If you had a PO305, I would try a new coil in cylinder #5

I wouldn't use the 355 unless you want to

Go to the Auto parts store. Buy one coil $60.00
1 bolt to install

V6 1,2,3 pass
4,5,6, driver side

V8 1,2,3,4 pass
5,6,7,8 driver side

Front to Back

Stay away from a dealer

If you have no vehicle knowledge what so ever ,go
down the street to a local shop. I can not see why you
can not do this repair,unless you don't own any metric tools

Dec 08, 2010 | 2005 Lincoln LS

2 Answers

2002 ford windstar showing obd2 codes po303,po304,po305 and idiling ruff and wont run over 45 mph and has low miles, how do i fix it ,thanks sincerely mark

might be the coil pack is bad, wires, plugs, o2 sensors, dirty injectors, catalic converter ( only if you smell rotten eggs ) . cylinders are misfireing.

Mar 23, 2009 | 2002 Ford Windstar Cargo

1 Answer

PO305 Code on 2002 Yukon XL 5.3L

You probably have water in your fuel . Use some Stabil healthy dose and then some isopropyl alcohol gas line antifreeze that Will probably fix it . and fill it at a popular gas station , not a little station that only sells a little gas. Its either that or you might have a pluged cattalyitic converter. Try this site .

Mar 07, 2009 | 2002 GMC Yukon XL

1 Answer


if it were the cranksensor it would not start at would have no fire.

Jan 14, 2009 | 1999 Lincoln Navigator

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