Question about 2002 Ford Super Duty F 550

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Check engine light on and seems to be running on 7 cylinders

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Since the check engine light is on drive to an AAMCO shop to have your computer scanned for free, or call around to find an auto parts store that does a free scan. J.

Posted on Jul 04, 2010

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The check engine light on my 2007 Dodge Magnum flashes 7 times,what's that mean?


Hello I have a 2007 Magnum 2.7L that has code p0302 cylinder#2 misfire seems to have coolant loss but can find no leaks. Recently had another code p0300, so both are active check engine light started flashing but stop and stayed solid. Not driving it. Replaced spark plugs should I replace coils? Any feedback please.

Jan 17, 2012 | 2007 Dodge Magnum SE

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Vehicle missing,shaking,engine light comes on


Misfire could be a number of things:
a) spark plugs - change them if used over 15K miles - inspect/regap.
b) spark plug wires - change them if over 15K miles - inspect
c) ECM (electronic control module) - test with HEI (high energy ignition) tester.

The shaking tells me that the engine is running on less than its normal compliment of cylinders - the shaking is produced by the imbalance caused in the engine by one (or more) cylinder(s)
not firing at all.

The "Check Engine" light probably is coming on due the the misfire condition. Go to Pep Boys or
Advance Auto Pats, where they'll tell you (free) your codes causing the "Check Engine' light to be
lit - the code coming from your truck's computer will probably be one or more of:
P0300 - Random/Multiple Cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0304 - Cylinder 4 misfire detected
P0305 - Cylinder 5 misfire detected
P0306 - Cylinder 6 misfire detected
P0307 - Cylinder 7 misfire detected
P0308 - Cylinder 8 misfire detected
P0313 - Misfire detected with low fuel

Jun 23, 2011 | 2004 Ford F150

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Po261, po267, po270, po273, po276 po279


P0261 Cylinder I Injector Circuit Low P0270 Cylinder 4 Injector Circuit Low P0273 Cylinder 5 Injector Circuit Low P0276 Cylinder 6 Injector Circuit Low P0279 Cylinder 7 Injector Circuit Low this will hold true for each code you listed SymptomsPossible sumptoms of OBD code P0279
- Engine Light ON (or Service Engine Soon Warning Light) - Engine Misfire - Engine Run Rough - Low MPG CausesPossible causes of OBD code P0279
- Fuel Injector #7 - Faulty or Corroded Fuel Injector #7 Connector - Plugged #7 Fuel Injector - Dirty #7 Fuel Injector Possible Solutions- Clean Fuel Injector #7 Connector - Clean Fuel Injector #7 - Replaced Fuel Injector

May 31, 2011 | Ford F-250 Super Duty Cars & Trucks

1 Answer

Check engine light is flashing while driving. It seems to be running a little rough. This just happened this morning when I started the car.


The check engine lamp will flash when the computer/emission system sees a problem that could possibly damage the catalytic converter or other components. Often the cause is a cylinder or cylinders that are misfiring which will make the engine run rough. Because the light has been flashing you should have the problem checked out and repaired to avoid any possible damage. Good luck, hope this helps!

Mar 02, 2011 | 2000 Mercury Sable

1 Answer

My check engine light is flashing, the car runs rough until I get up to about 30mph and it is running through gas like crazy


Sounds like you have cylinder misfire. Any of the large auto parts stores can run an OBDII check and tell you which cylinder is misfiring (not firing). The engine is running with one cylinder out causing the rough idle. The faster the car goes the less perceptible the misfire is. That is why at 30mph the car seems to run smooth.

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Check engine light flashing


The a/c is causing more of a load on the engine control system. What exactly did you replace? Was it the coil for that cylinder?
There are times when more than one coil is faulty, it just so happens that was the pending code that appeared.
My suggestion is, get the car diagnosed and ask for the mode 6 misfire counts for all cylinders. This way you get a better idea of all cylinders.

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1 Answer

Error Code Cylinder 7 Mis-Firing & Vibration When Going Up Hill


yes i would change the plug wires , you can take a spray bottal with water and spray that wire, and if it starts to run real bad then it is shorting out, you may also have a injector going bad you can test this buy puting a ohms meter on it and ck the ohms it should read the same or close to the same as the other if not it will need replaced

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1 Answer

Engine runs good till heats up a bit then seems like it runs on 7 clylanders and engine light comes on


What engine does your Firebird have? Attach a computer scanner and retrieve the fault codes from the engine. This should tell you where the problem lies. If it's an ignition problem, it should also tell you which cylinder has the problem.
Charlie

Jun 15, 2009 | 1991 Pontiac Firebird

1 Answer

Misfire cylinder 00 mazda protage


Could be a defective plug or clogged injector What cylinder was IDd. Isolate the problem cylinder swap the plug from a good cylinder see if the miss moves with the plug,if not try having the injectors cleaned. That should get the zoom zoom back.

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2 Answers

Trouble codes


what does the code p1128 mean

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