Question about 2005 Ford Crown Victoria

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My 05 Crown Vic LX is misfiring Cylinder 1 2 and 3.

My Crown vic is misfiring on cylinder 1 2 and 3, I have changed all the coils, spark plugs, EGR Valve, Fuel pump, but I am still getting the issue, the car is losing power, I have checked the on the computer the cats are good, the MAF is good, I have had a compression test done, compression is good, I have had a smoke test so the intake manifold is good, any idea what could be causing that... Any help will be highly appreciated

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Your next step would be to check for injector pulse (signal at injector) and are the injectors working. Is the miss while driving, at idle, under load, or decell? What codes are u getting?

Posted on Oct 22, 2014

Testimonial: "I am grateful for the immediate response, I have checked the injector pulse, the injectors look like they are working fine but I am not sure if the cylinders are getting any fuel, meaning the injectors are pulsating fine, but I am not sure if they are clogged and if the fuel is actually getting to the cylinder."

  • Hamid Akhtar
    Hamid Akhtar Oct 22, 2014

    I am getting P0300, P0301, P0302, P0303, P0174 (lean bank 2) codes, the car sounds fine on idle, misfiring under load, or when I hit the gas hard.

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Either a cam on that side is out of alignment or a timing belt has slipped.

Posted on Oct 22, 2014

Testimonial: "I am grateful for a prompt response, I am not sure how the cam could get out of alignment or the timing belt could have slipped, once again I am no expert, but I think the crown vics have the timing chain and if any of the sides would break then the cam would be out of of alignment and if that was the case the car would not start at all."

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Related Questions:

1 Answer

P0307 code on a 2005 crown vic


Cylinder misfire on #7.could be bad spark plug,or bad coil.try replacing coil and plug at# 7. It is the second last plug on the driver's side. If you pull the coil out and there is antifreeze in the spark plug hole,you may have a bad intake gasket or cracked intake manifold and the antifreeze is shorting the coil out. In that case you may have to replace the intake manifold.

Dec 19, 2013 | 2005 Ford Crown Victoria

2 Answers

I have a 1996 crown vic i need to know these trouble codes po301 po304


PO300 Codes-- are cylinder misfires

PO301 thru PO308

Last # is the cylinder

Could be bad ignition coil for a cylinder
or a coil pack for that side,depending what
engine you have

#1 &#4 are at the front & back of the passenger
side of your motor or firewall side if transverse

You will need to provide details of who worked on it
& exactly what was done besides replace a coil based
on a code

Codes aren't very good with COP Ignition but a complete
coil pack on one side should take care of some issue

Vacuum Leaks & other items can cause misfires & the codes
don't tell you to replace ignition parts as you may have

Feb 14, 2013 | 1996 Ford Crown Victoria

1 Answer

Just bought a 2004 crown vic with 108000 mls.misfire on 1 or 2 cylinders.Replaced plugs and coils.Still no change.Any ideas?


Did you replace the spark plug boots as well? Also always use dielectric grease in the plug boots on each end. Hope this cures it.

May 01, 2011 | 2000 Ford Crown Victoria

2 Answers

Hi, I'm getting codes 136 02 sensor bank 1 sensor 2 along with 301 cylinder 1 misfire and 304 cylinder 4 misfire. Could the 136 be caused by the misfires ? I'd like to just swap out the plugs, but, they...


I wouldn't worry about the 02 code it will clear when you replace the coils. to be positive that the coils are bad, swap them with another cylinder and see if that cylinder misfires. 90% of the time it's the coil. Let me know
Randy

Nov 28, 2010 | 1996 Ford Crown Victoria

2 Answers

I have a 1996 crown vic i need to know these touble codes po305 po304


P0304 means that cylinder 4 has a misfire and P0305 is a cylinder 5 misfire. What this means is you may have bad spark plugs, or bad plug wires, or you may need to replace your distributor cap and rotor. I would start with plugs and wires.

Oct 21, 2010 | 1996 Ford Crown Victoria

3 Answers

I have a 2001 Focus that is showing a #3 misfire, changed the spark plugs and wires and it is still running rough? What next?


had the same thing with my crown vic on the #8 cylinder. changed plugs and wires. still missing. wound up replacing the coil pack. you can check resistence of the coil between companion spark plug towers. ford marks each tower with 2 cylinder #'s. resisistence should be around 10-12 ohms

Mar 15, 2010 | 2001 Ford Focus

2 Answers

Ford Crown Vic p0300 random cylinder misfire


take a look at the EGR valve it could be either vacum controlled or electronic either way what seems to be the problem is that the valve is stuck in the open position until the engine warms up you can gently tap the egr valve with a small hammer or a screw driver and you can see that it runs smooth, now if the egr valve is vacum controlled replace the valve. if it is electronoc controlled replace the valve and the module for the egr valve.

Nov 02, 2008 | 2000 Ford Crown Victoria

2 Answers

P0304=misfire in cylinder 4. coil? spark plug? spark plug wiring. 1999 crown vic 4.6 V8. runs ok, just little cutting out every now and then.


not coil coil it wouldnt fire at all it is either a plug or a wire replace the wire and plugs and that will fix it

Oct 06, 2008 | 1996 Ford Crown Victoria

2 Answers

Engine light po 300 code


IS THIS A 99 CROWN VIC? IF SO IS IT MISFIRING? IF THIS IS THE CASE YOU MORE THAN LICKLY NEED PLUG WIRES.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/terry_db4da071b7da3ac1

Sep 06, 2008 | 1999 Ford Crown Victoria

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