Question about Ford E-250

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I have a 2000 e-250 with the 4.2 eng. getting misfire 4,5,6 cyl.... have replaced coil pack plugs wires cam sensor checked feul injectors stumped at this point

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What about oxygen sensor does this engine have one for each bank

Posted on Apr 27, 2010

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Both coils do not fire on 1 and 4. Will start but only running on 2 cylinders. Could both coils be bad or should I look elsewhere?


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Jan 31, 2016 | Cars & Trucks

1 Answer

2004 Sorento began with code P0305, cyl #5 misfire. Inspected and replaced plugs, wires, and coil pack on cyl #2. Repair shop told me cyl #5 injector bad so they replaced. Still has misfire.I suggeste


If you had code P0305, I don't know why they would have done anything to the #2 cylinder but if they have already replaced the plugs, wires and injector; here are a few more items to check:
1) Check connections from ECM. Look for any corrosions or bent/broken pins.
2) Check the fuel line pressure
3) Check the engine compression
4) And if the above are good, then you will probably have a defective ECM

Nov 28, 2014 | Cars & Trucks

1 Answer

1998 toyota 4runner #2 cylender misfire


You might want to look for a vacuum leak on the intake manifold. You also might need to hook up a scope and measure injector duty cycle and compare it with a good cylinder. Also check wiring for chaffing going to the injectors and coil pack. I can provide you with pin out on ECM if you need.

Oct 21, 2012 | 1998 Toyota 4Runner

1 Answer

2002 saturn vue cylinder 1,3,5 misfiring when swapped coil pack it went away now cyl 2,6 misfiring.


having PO 304 = Misfire cylinder 4,PO 306 = Misfire cylinder 6, as I read above you have done the most. The thing that you have missed is to check whether the Catalytic Converter is faulty or not. To get an idea check whether you have a smell like rotten eggs at the end of the exhaust,you start having problems with cat and needs replacement. My advice before you go for a cat replacement is good to visit an MOT center and check your emissions and then you decide,

Aug 10, 2012 | Kia Rio Cars & Trucks

1 Answer

2005 5.3 1500 pickup multi cylinder misfar replaced intake gasket,coil,injector,and plug in cylinder 1&3 number 1 is missing the most also replaced oxygen sencer bank 1


Just so I learn something

Spark plugs -wear ,seldom misfire

Injectors and Coils-need to be component
tested,before I would replace

Testing-- is using a meter,oscilloscope,etc.

Same on O2 Sensor,scope is only way to
see switching time.

I would suggest something common to
multi cyl misfires.
Because you get a code for #1,doesn't mean
that coil is bad. You may have to walk a new
coil from one cyl to the next.

CPS Sensor ?
Is there a cam sensor on that engine?

Feb 09, 2011 | 2005 Chevrolet Silverado

9 Answers

Misfire #3 cylinder


Has anyone found the problem? My 2003 has #3 cyclinder misfire and I have replaced the plugs and wires. It runs rough at idle but smooths out at highway speed. Anyone have any knowledge on this? This sounds like a common problem.

Sep 09, 2009 | Cars & Trucks

1 Answer

'97 A4 1.8T, coolant leak resulted in brief overheat,leak fixed,diag.code now shows #2 cyl.missing (badly), compression good,injectors good,coils/plugs good,missing badly,could the brief overheat have


did the car over heat for long?
there could possibly be damage to your head like warping due to overheating and blowing a head gasket or something along those lines .
first check the oil dipstick is it milky?
then check the coolant is it oily?
and when it is running is it blowing any white smoke?
if you replaced the plugs and it is misfiring did you plug the wire all the way back on the plugs if not then the problem is a plug wire being loose and loosing connection with the plug.
sounds like a simple fix if you don't have water in your oil or white smoke coming out the exhaust.
troubleshooting it can be a bigger job but if you nail the right symptoms down you can corner the problem.
like if it is a coil pack or bad wire switch them with another one and see if the problem follows the wire or coil pack.for instance take the number one plug wire off and the number two wire off and put the number one wire on number two and see if the number one misfires. if so then the wire is the problem if not then try numbers three and four until you find out which cylinder is the culprit.
good luck and happy hunting.


Jun 02, 2009 | 1997 Audi A4

3 Answers

95 Mazda b2300 ( Engine code p0320) misfire cyl 2


Have you replaced the spark plugs?? Use good plugs such as ngk. Look for signs of carbon tracking on porcelain (black dirt looking marks that can NOT be wiped off. If present replace spark plug and coil boot to repair.

Mar 29, 2009 | Mazda B2300 Cars & Trucks

2 Answers

Daewoo lanos 2000 car is misfiring and wont run properly firing on cylinders 1 and 4 misfiring


have you changed the ignition wires? perhaps firing order crossed? if not coil pack or ignition wires faulty how do you know it is not "FIREING" on 1 & 4 have you tested it with a spark tester tool???

Dec 23, 2008 | 2000 Daewoo Lanos

1 Answer

No Start, No Spark, for Grand Caravan 3.8L


we get remans bad out of the box......... good luck

Sep 26, 2008 | 1996 Dodge Caravan

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