Question about 2004 Ford Freestar

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Codes PO 300, PO301, Po 306 - 2004 Ford Freestar

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6ya6ya
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Posted on Jan 02, 2017

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bibleman01
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SOURCE: 2005 Taurus Program Codes PO 300 and PO 316

May need to clean the egr valves because if one is stuck then the other bank would be enriched to make up the difference .In order to reset the computer when your done is unhook battery and then reconnect. But realize some radios are subject to needing a code to make them work again because of a theft sensor. Here are some a few sensors and what happens when the don't work right.

ECT sensor
symptoms
Potential Symptoms

Symptoms of a P0118 could include:

* Very poor fuel economy
* A no start condition
* Vehicle may start, but run very poorly, blowing black smoke, running very rough and misfiring
* Illumination of MIL

TPS sensor

Symptoms of a P0121 trouble code could include:

* Malfunction Indicator Lamp
(MIL) illumination (Check Engine Light or Service Engine Soon light)
* Intermittent stumble on acceleration or deceleration
* Blows black smoke on acceleration
* No start

EGR valve

Usually a fault in the control circuit, will leave no noticeable symptoms other than the Malfunction Indicator Lamp (MIL) illumination. However, if the EGR control solenoid
is stuck open due to debris, etc. the code may be accompanied by misfire under acceleration, rough idle, or engine dying altogether.

po171

You will more than likely not notice any drivability problems, although there may be symptoms such as a lack of power, detonation (spark knock), and/or a hesitation/surge on acceleration.
Causes

A code P0171 may mean that one or more of the following has happened:

* The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
* There could be a vacuum leak downstream of the MAF sensor.


These are the main ones
God Bless Greg

Posted on Dec 20, 2008

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  • 458 Answers

SOURCE: po316, po 300, po301, po305 2004 ford freestar

These codes are making me lean towards the ignition coil pack.My stepson's 2001 Sable 3.0 v6 had one cylinder misfiring(5-code P0305),which shares a coil with cylinder 1(code P0301).I diagnosed it by trading wire 1 and 5 at the coil,and the code changed to P0301.You have codes for the two cylinders on the same coil,so this is most likely it.(these codes would also trigger P0300(Multiple Misfires Detected) and P0316(Misfire Detected First 1000 Revs)).

Posted on Oct 15, 2012

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1 Answer

04 escape has code 354,356,300,316


Possible Bad COP Ignition Coils on #4 & #6 cylinder

Forget the 300 & 316 of no use to you

PO 304 is the same as PO354 or letter D
PO 306 is the same as PO356 or letter F

If the codes are the actual bad coils -you won't have to pull
the upper intake off

Dec 04, 2012 | 2004 Ford Escape

1 Answer

Misfire when its cold


Misfire when cold ,is easier to work on ,than one you get
only hot & every 3 weeks for no reason.

Do you have any PO301 thru PO 306 or 8 codes?

Do you have COP Coils or ignition wires?

Check for vacuum leaks,entire vehicle,yes the evap &
exhaust as well.

Are the spark plugs more than 3 years old
Clean MAF Sensor
Back Prob the TPS Sensor

Test-do not throw parts at it

If you can arrange the use of a professional scan tool
go for a test driv ein Mode #06 & look at cylinder misfire
counts

EGR ---issues?

Dec 01, 2012 | 1998 Ford Mustang

1 Answer

Po316, po 300, po301, po305 2004 ford freestar


These codes are making me lean towards the ignition coil pack.My stepson's 2001 Sable 3.0 v6 had one cylinder misfiring(5-code P0305),which shares a coil with cylinder 1(code P0301).I diagnosed it by trading wire 1 and 5 at the coil,and the code changed to P0301.You have codes for the two cylinders on the same coil,so this is most likely it.(these codes would also trigger P0300(Multiple Misfires Detected) and P0316(Misfire Detected First 1000 Revs)).

Oct 14, 2012 | 2004 Ford Freestar

1 Answer

What's your problem? my 2004 mercury monterey has eight codes ,po301,poo53,po106,po316,po300,po304,po305,and po306


PO 300 is multiple misfires detected
PO 301, 304, 305, 306 are misfires in cylinders 1,4,5,&6
PO 053 is HO2S Bank 1 Sensor 1 Heater Resistance
PO 106 is MAP/BARO CKT Range / Perf
PO 316 is Misfire detected 1st 1000 Revs.

On a misfire, I usually push towards the spark plugs, plug wires, and coil packs / distributor coil.
You have PO 106 and PO 053 that need to be inquired about at nearest AutoZone.
They can give you an idea as to what is the problem on these.

Did a MAP sensor **** out and cause all the misfires ?
Did a misfire cause the MAP sensor error?
You see what I'm saying ?...Something caused all the misfires...thinking MAP...but not that familiar with the function of the MAP.

Hope this helps...

Aug 13, 2011 | 2004 Mercury Montery

1 Answer

I have 3 codes on my 2001 saturn SL2. PO301, PO410, PO442. What do these mean? Is the car worth repairing? Will it pass a vehicle emissions test?


PO 301 is no 1 cylinder misfire, PO 410 is secondary air injection system, & PO 442 is Medium leak detected in EVAP system.

Feb 14, 2011 | 2001 Saturn S-Series

1 Answer

Car codes Dodge Caravan 2002


new spark plugs basic tune up this will fix it ,then fine the small vacuum leak fix it this should take care of it.

May 10, 2010 | 2002 Dodge Grand Caravan

2 Answers

Ok I?m getting a p1297 code and then I?ll start getting po301 If I erase the codes then start the car and let it idle ill get the po300 po301 po302 po303 Then drive the car ill get the p1297 If I erase...


Clean the EGR valve seat. The EGR may have become stuck. A good way to check for vacuum leaks is to use smoke near every intake vacuun hose . And near the intake manifold. The valve will **** in the smoke. If you clean the EGR valve and it still misses. Replace it. The EGR can cause random misfire.

Jan 06, 2010 | 2001 Volkswagen Beetle

1 Answer

Check engine light is flashing and car is shaking especially when i accelerate


You are experiencing a secondary ignition miss fire.The most likely cause would be one or more spark plug wires breaking down .If you can go to a Autozone parts store they can check the codes for free .PO 301 to PO 306 codes would be miss fire codes.:)

Sep 06, 2009 | 2002 Dodge Grand Caravan

1 Answer

2005 Taurus Program Codes PO 300 and PO 316


P0300 maens random multiple cylinder misfire.
When was the last time the car was tuned.
Check plugs and plug leads are O.K
also check that fuel cap is on tight.

Oct 15, 2008 | 2005 Ford Taurus

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