Question about 1998 Ford Expedition

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Cylinder three misfire? im driving then all the sudden my truck starts making this funny nose i get home and check the code p0303 and it says "Cylinder 3 Misfire Detected" how do i fix this?

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  • Anonymous Mar 25, 2014

    Has a ticking sound when accelerates but doesn't happen all the time. At times starts with rough idol then smooths out. Today took three times to get it to start and not die

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Coil pack, or plug or plug wire.

Posted on Jul 09, 2009

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I had the same problem but on cylinder 8. The solution was that you need to replace the coil pack on that cylinder and then it will run fine.

Posted on Jul 08, 2009

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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 )

Apr 24, 2011 | Volkswagen Passat Cars & Trucks

1 Answer

Wat is a P1407 fault code....I connected a scan tool to a 1996 mazda 626 and I got three fault code P1407,P0303,P0171.....I need help


p1407 is egr system no flow

p0303 is cylinder 3 misfire

po171 is fuel control system is lean

you might want to start by checking the mass airflow sensor bolts as they tend to come loose.and that should take care of the po171. check the hoses for the egr, if all is okay possibly the egr solenoid might be faulty. for the p0303 check the sparkplug on cylinder three and the spark plug wire, if you have an ohm meter you can check the resistance of the wire by hooking up your test leads to either end of the wire (after removing it from the engine) and make note of the resistance...then replace that wire and remove another one and test it the same way.. the results should be about the same, if you compare a shorter wire then the resistance will be slightly lower...just as if you test a longer wire it will be a little more. hope this helps

Mar 11, 2011 | 1997 Mazda 626

2 Answers

Kinda putters then engine light came on and its giving me a code p0303


p0303 is a mutible engine misfire on number 3 cylinder. the best fix,

A code P0303 may mean that one or more of the following has happened:

  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • but first of all check the wires and sparkplugs first!

Feb 18, 2011 | 2001 Jeep Grand Cherokee

1 Answer

Codes:p1346/p1349/p1354/p0446/p0300/p0301/p0303/p0305/p0307/ p0430/car runs rough when idling/lexus gs 400 1998


P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P1346 Variable Valve Timing (VVT) Circuit Range/Performance Fault
P1349 Variable Valve Timing (VVT) System Malfunction
P0330 Knock Sensor
P0446 EVAP Vent Control Fault
P0430 Catalyst System

Stop driving immediately.....

You defiantly skipped on your timing........

Feb 14, 2011 | 1998 Lexus Gs 400

2 Answers

My 96 honda accord is giving me three different code readings they are: P0303 cylinder 3 missfire, P0302 cylinder 2 missfire & P1300 multiple missfire detected, How do I fix this problem?


I would start with a full tune up. If it has never been done then that is the best way to start. Make sure that you gap your plugs. NGK plugs are the best for any and all Honda's. Let us know how it goes.

Aug 30, 2009 | 1996 Honda Accord

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.

Mar 24, 2009 | 1997 Toyota Camry

1 Answer

REF: Code P0303


code means misfire on cylinder 3 check plug lead spark plug and if needed remove the tappet cover to check the valves

May 26, 2008 | 2002 Ford Taurus

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