Question about 2001 Ford Mustang

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Code p0302 showing code p0302, car skipping like plugs are bad and not getting enough gas. I replaced plugs, plug wires and fuel filter, but still skipping and hooked it up to machine at Auto Zone and showed code P0302-cylinder 2 misfire detected. What do I need to do next?

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Look at the wire and plug to cylinder 2, for cracks or damage, if nothing is found run a compression test need 100psi min, and then check the injector, you need to meshure resistance with a multimeter, and compare to other injectors something like 12 to 15 ohms would be good i think.

Posted on Dec 31, 2009

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My mustang was doing the same thing code P0302 changed coil pack now everthing runs fine 4.6l 4vV8 DOHC ENGINE

Posted on Nov 21, 2011

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Might be a bad fuel injector, or the coil pack that the # 2 plug wire is going to. Could also be weak compression in that cylinder.

Posted on Dec 31, 2009

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1 Answer

Why does the coil pack keep goin bad on my 2004 dodge neon?


How do you know the coil pack is bad ? Did you test it , or are you going just by the P0302 - P0300 ? These codes do not mean the coil pack is bad ! Could have a vacuum leak , could have weak fuel pump , partially plugged fuel filter ! The engine could have a mechanical fault , burnt valve , bent valve , bad head gasket ! Sounds like you need stop wasting your money an take it to a pro !

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I have a 2006 ford taurus that skips bad the fuel pump has been replaced 2 times n the compter


By "skips," I'm assuming that you mean it has a misfire.
Check all of the following:
  1. Fuel filter;
  2. Fuel pressure regulator:
  3. Spark plug wires;
  4. Spark plugs;
  5. Fuel injectors;
  6. Coil packs
  7. If there is a CHECK ENGINE light showing, have all codes read and correct all conditions.
  8. If the car sat for more than six months recently, if you live in an area where humidity is high, or if there is any chance of fuel contamination, manually drain ALL FUEL and replace with new. Use FUEL SYSTEM AND FUEL INJECTOR CLEANER every six months.

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2000 mazda protege 1.6L my spark plugs are getting soaked with gas


bad fuel injectors. bad spark plugs - inspect and or replace -- bad spark plug wires - test ohms resistance of the spark plug wires with a multi meter (5 bucks at harbor freight) -- or simply replace the spark plug wires.
How was it you tested the coil and spark at the plugs?

I'd lean more towads faulty fuel injection, if you go to repai this, please be sure to add a quality fuel tank cleaner like lucas (the larger the bottle the less the cost per ounce - and works VERY well), You may also want to be sure to replace the fuel filter...
Best regards
Ck

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How to fix a 1998 ford mustang 4.8L P0302 code


Since you've replaced everything on that cylinder, the only other possible cause is heavy carbon build up, not allowing the valves to seat properly, or you just have a bad valve sealing condition in general. Best way to find out is a cylinder leak down test. It will show things a regular compression test won't.

Nov 27, 2011 | 1998 Ford Mustang

2 Answers

2003 mustang cylinder 2 misfire. I changed the spark plugs and wires. Its still have code p0302. What should I do next?


A code P0302 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
Defective computer

Possible Solutions:
* If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
* If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Keep us updated.

Sep 06, 2011 | 2003 Ford Mustang

1 Answer

I have a 2001 Ford Taurus that shows PO302 and PO171. Can anyboby help me with these codes as my car is running very badly? It is hesitating and running very rough, I would like to solve this problem very...


P0302: Cylinder #2 misfire.
P0171: System too lean, (bank 1)
The first may be a bad spark plug or the wiring to it. If it has been some time since the engine has had a tuneup, change all spark plugs and plug wiring. Check the air cleaner and replace if dirty. If it runs much better, recheck the codes again. If the car has 100k miles or over, it wouldn't hurt to replace the O2 sensors as they do wear out (even though the codes don't show that at this time). Replace the fuel filter as well. Running some injector cleaner through in the fuel will help too. If still having problems, check the system fuel pressure as the pump may be on the verge of failing. Again, the codes don't show this as a problem yet. Good luck.

Apr 12, 2010 | 2001 Ford Taurus

2 Answers

Car jerks while taking off; changed fuel filter


get a scan tool to retrieve the dtc (diagnostic trouble code).
you will get a misfire code.
p0301 for cyl 1
p0302 for cyl 2 and so on.
i can't recall if that engine has plug wires or coil on plug but if its coil on plug replace the coil corresponding to the cylinder misfire

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1 Answer

I have a 4.3 and 5 speed 4x4, the engine will miss under load, new gas tank and sending unit installed, looking at replacing fuel filter, any other ideas?


If you are missing, due to a cylinder failure, the fuel filter, sending unit and all of that affect all of the engine. If you get a "skip" under a load, you have a cylinder issue. You need to determine what cylinder. Try to throttle it up while applying the brake to keep it from moving in drive to see if you can get it to skip.
If it does, look at spark plugs to see if you can see what cylinder looks different.
Or...while someone is "power braking" and it's missing, remove a spark plug wire one at a time to see if the condition changes. If it doesn't change, that is your bad cylinder.
Then you need to determine if it's fuel, or spark that is the problem.
(Injector bad, or plug, or plug wire.)

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3 Answers

Buick Century 97 runs rough and stutters when cold and gas applie


Your cat should last quite a while now it is replaced. I recommend testing coil packs and module. Change plugs and wires and double check your vacuum hoses.

Aug 14, 2009 | 1997 Buick Century

2 Answers

Have a 03 pt cruiser with a trouble code P0302, stubbles bad and smells rich.


The P0302 Code points to a misfire detected on the # 2 cylinder. If its stumbling, I would first suspect the plug or wire is bad. I believe the ignition coil on that vehicle is a single coil pack with four terminals, so if only the P0302 code is coming up I would start with the plug and wire. May be time to do a tune up and just replace all the splugs and spark plug wires.

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