Question about 1999 Ford Taurus

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Error code p0303 cylinder 3 misfire - 1999 Ford Taurus

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  • Anonymous Feb 11, 2009

    99 crown victoria 3rd cylider misfire po 303

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The code is a misfire of cylinder 3 usually a bad plug wire but could be a dirty or bad injector, or a bad spark plug . a compression check will tell you if you have bad valves or a problem in cylinder 3, if the plug wire plug or injector doesnt solve your problem if this was helpful please leave good feed back

Posted on Oct 04, 2014

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Add injector cleaner. if your car has sat at allfor a little bit of time then more than likely your injector is a little sticky. just add the injector cleaner then fill the tank if problem doesnt go away the look into other things

Posted on Mar 12, 2010

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Po303 is misfire on number 3 cylinder. It could be a bad spark plug or wire, maybe a loose plug wire, could be alot of things. injector problem drop of water in fuel that happened to hit that cylinder. but most likely a plug misfired. I would clear the code and see if it happens again. If so give care a tune up.

Posted on Mar 01, 2009

  • cookie4u710 Sep 30, 2010

    where is cylinder 3

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Selvol
  • 115 Answers

SOURCE: Misfire with error codes P0300,P0302,P01303, P0102, P0748

Have you tried new Spark Plugs? Also after removing the plugs.
Take a paper towel and roll it up so it is like a long thick pencil. Stick that down the hole the spark plus came out of. Just to clean the moisture out. Also blow some compressed air down the hole.
Make sure all the moisture is out. The put the plugs in.
When you wash you car. Be careful if you wash the engine.
Dont let water get in to the plug holes..

Posted on May 21, 2009

  • 1 Answer

SOURCE: random misfire p0300, cylinder 3 and 4 misfire p0303,p0304

change spark plug wires and check corrosion in the distributor coil

Posted on Apr 03, 2009

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SOURCE: Check Engine Light is on and the code is P0303

Hello I need a help.
I have 1999 lincoln town car 4.6L V8.They have check engine light on. P 0303 cylinder 3 missfire.
I was changed spark plugs,fuel filter. check compression test 150psi. fuel pressuer 50.
swiching cylinder 1 to 3 fuel injector and coil. but they still have engine code

Posted on Apr 12, 2009

  • 2 Answers

SOURCE: Misfire with error codes P0300,P0302,P01303, P0102, P0748

have you checked the wires for holes.

Posted on May 28, 2009

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SOURCE: misfire #3 cylinder

2000 pontiac montana 3400 #1 cylinder misfire checked 7x sensor/replaced pigtail checked continuity good igniton module checked out fine one coil was weak replaced plug and wire replaced still same code 24x cps not checked yet according to buck only brain left anyone

Posted on Sep 08, 2010

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2 Answers

Car sputtering badly. Codes P303 n P102 show on diagnostics and have replaced both parts associated with these codes,PLUS, new fuel filter, engine still sputtering badly.


Hi,

I hope I can help with this. This could mean the engine spark plugs or plug is the issue. Also check the exhaust pipe. White smoke indicates a coolant issue. Check your coolant reservoir. Black smoke indicates a Fuel issue. Blue is an oil issue. Also, speaking of your spark plugs there very well could be a misfire.

the code P303 could be cylinder 3 misfire
P102 the mass air flow sensor which is on the air filter cover. It's an electrical part and is sensor. Please check these and let me know.

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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).

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1 Answer

What are codes 302 303 misfire that come up and how do i fix it


the codes are p0302 and p0303 p0302 if a misfire in cylinder number 2 p0303 is a misfire in cylinder number 3

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CODE 003: 00772 P0303 Cylinder 4: misfire detected


Hi double check the code which came up, as P0303 is no.3 cylinder misfire.
Anyway this could be as simple as the spark plug . But is usually the coil.
I hope i have been of some help to you
John (South Wales uk )

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Hi my 2006 cadillac cts has error codes po 300 303 305 343 347 368 392 and 496 can u tell me what they are or a website to find out thank u


P0300 is multiple engine misfire detected
P0303 is misfire in cylinder 3
P0305 is misfire in cylinder 5
P0343 is camshaft position sensor A (bank 1)
P0347 is camshaft position sensor A (bank 2)
P0368 is camshaft position sensor B (bank 1)
P0392 is camshaft position sensor B (bank2)
P0496 is EVAP Canister Purge System High Purge Flow

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Wondering what code p303is, i failed inspection because of it


Misfire on cylinder #3 -- http://www.obd-codes.com/p0303

Nov 20, 2009 | 1999 Jeep Cherokee

3 Answers

2001 ford taurus error code p0303


That is a cylinder misfire code have you had the plugs changed, could be a bad plug maybe bad coil, or injector how does it run

Jul 01, 2009 | 1999 Ford Taurus

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.

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1 Answer

2000 dakota 4.7 v-8 codes p0300 p0303 p0304 p0307


well the codes
p0300 multiple misfire
p0303 misfire cylinder 3
p0304 misfire cylinder 4
p0307 misfire cylinder 7

can be alot of things check cylinders for compression is what i would do first..

Jan 31, 2009 | 1997 Dodge Dakota

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