Question about Ford Expedition

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I have a 04 expedition that has HESITATION,MISFIRE. showing p0171 p0300 p0305. if you could help that would be great. thank you

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Replace the #5 COP Ignition Coil
About $60.00 at the auto parts store
Front coil,drivers side.

Disregard the PO 300, also PO 171 O2 Sensor, get ride of misfire on 5 ,and see if you still get codes.
Clear Codes after you do coil.

Please do not go to a dealer
You will leave a couple grand there, and still have nothing fixed

Posted on Oct 14, 2010

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Have Audi A6 Quattro have codes p0346,p0391 ,p0304,p0306,p0305,p0300 runs rough stalls makes a lot noise now power


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P0391:Camshaft Position Sensor 'B' Circuit Range/Performance Bank 2
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My 2006 ford fusion sel v6 is having cylinder misfiring problems the codes it reads out are p0171 p0304 p0305 p0306 and p0300


p0171 is fuel injection system too lean - bank 1
possible causes
- Intake air leaks - Faulty front heated oxygen sensor - Ignition misfiring - Faulty fuel injectors - Exhaust gas leaks - Incorrect fuel pressure - Lack of fuel - Faulty Mass Air Flow (MAF) sensor - Incorrect Positive Crankcase Ventilation (PCV) hose connection
p0304 is cylinder 4 misfire detected.
possible causes
Faulty spark plug 4 - Clogged or faulty fuel injector 4 - Faulty ignition coil 4 - Fuel injector 4 harness is open or shorted - Fuel injector 4 circuit poor electrical connection - Ignition coil 4 harness is open or shorted - Ignition coil 4 circuit poor electrical connection - Insufficient cylinder 4 compression - Incorrect fuel pressure - Intake air leak
p0305 is same as above but cylinder 5.
p0306 is same as above but cylinder 6.
p0300 is random misfire detected
possible cause
Faulty spark plug (s) - Faulty ignition coil (s) - Clogged or faulty fuel injector (s) - Intake air leak - Fuel injectors harness is open or shorted - Fuel Injectors circuit poor electrical connection - Ignition coils harness is open or shorted - Ignition coils circuit poor electrical connection - Insufficient cylinders compression - Incorrect fuel pressure

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1 Answer

How do i fix my Mercury Villager 2002 with random misfire?


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1 Answer

Codes po303, po171, po137. po420


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1 Answer

System to lean bank, manufacturer control fuel air metering, cylinder misfire detected


Intake or vacum leak will be the first codes 174,171, try idle and spray propane around intake if car idles up, then intake is leaking, otherwise could be a broken vacum line, check with a gauge

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1 Answer

2003 x-type codes help. P0037, P0300, P0305, P1111 (pend), P1316. Any help with explaining these codes will be much appreciated. Thanks.


DTC P0037; RIGHT-HAND CATALYST MONITOR SENSOR HEATER CONTROL CIRCUIT LOW/HIGH RESISTANCE
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DTC P0305; RANDOM MISFIRE DETECTED, MISFIRE DETECTED,
P1316 IS A MISFIRED OF A CATALYST FOR EX.SPARK PLUG,INJECTOR PRESSURE ,IN GENERAL ITS THE MISFIRED DRIVE CYCLE ...SOMETHING IS FIRING PROPERLY..LET ME ASK HOW MANY MILES DO YOU HAVE.?AND CODE P1111 IS NOTHING TO BE WORRIED ABOUT ITS THE SYSTEM READINESS TEST THAT THE CARS ECM PERFORMS WHEN YOU CUT IT OFF EACH TIME...MAKES SURE THAT ALL IS FUNCTING WELL.

Aug 11, 2011 | 2002 Jaguar X-Type

1 Answer

Missing, running very rough at idle-very low idle. Engine codes P0011, P0022, P0171, P0300, P0305, P0307, P0316, P2198.


the P0011 and P0022 are the camshaft sensors (both sides) are over advanced--common problem on Fords, and is usually a defective VCT solenoid (variable cam timing solenoid)-it will cause your other codes (P0300 random misfire), P0305 (#5 cylinder), P0307 (#7), P0316 (misfire at startup)-P0171 is a lean condition on side 1, where #1 plug is located (look for a vacuum leak, but a faulty VCT could also cause this)-is there any chance the last oil change set this off? The proper viscosity is very important and may have caused these codes.

The P2198 is O2 sensor signal stuck rich bank 2 sensor 1. Has the engine or sensors recently gotten a bath in oil (seafoam?)-this code indicates something of possibly an over zealous maintenance procedure could have damaged maybe the MAP sensor, or more.... Unfortunately, you have a lot of company. At least you didn't crack a piston or hydrolock the engine. Seafoam is pale oil, naptha, and alcohol. With more detail there should be a reason for all those somewhat related codes-post more information.

Jan 26, 2011 | 2004 Ford F150

1 Answer

We have 3 codes, p1684,p0300,&p0305


P1684 Driver 5 Line 4 Battery disconnected last 50 starts. (not much info on this one)

P0300 Random/Multiple Cylinder Misfire Detected

Causes:
  • Faulty spark plugs or wires
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector(s)
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Stuck/blocked EGR valve / passages
  • Faulty camshaft position sensor
  • Defective computer

P0305 Cylinder #5 Misfire Detected

Causes are the same as P0300.

Jan 03, 2011 | 2002 Chrysler Town & Country

2 Answers

Obd codes p0300 p0301 p0303 p0305 p0401


P0401 Exhaust Gas Recirculation Insufficient Flow Detected

P0300 Random/Multiple Cylinder Misfire Detected
P0301 Cylinder 1 Misfire Detected
P0303 Cylinder 3 Misfire Detected
P0305 Cylinder 5 Misfire Detected


I would check out the EGR valve. That maybe what is causing all the misfires.

Mar 24, 2009 | 1997 Toyota Camry

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