Question about Ford Ranger

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Random misfire used a timing light on all 6 plug wires and they all miss intermittent could this be caused by crank sensor or pickup coil

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Yes

Posted on Oct 14, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 19 Answers

SOURCE: S10 pickup misifirng when light highway load

I had to rebuild my engine at 97000 miles cuz of low engine oil pressure and bad berrings

Posted on Jan 09, 2009

  • 5 Answers

SOURCE: 2003 Chevy Venture misfiring

The injector is a good possibility, although you should check for spark in the wire first, as the electrical is the weakest link in the system. Put a spare plug in the end of the wire with the plug resting on metal, then have someone crank the van to see if you have spark that far, test and replace spark plug, (do not get shocked!) then look into a new injector or a good cleaning.

Posted on Jul 17, 2009

  • 1596 Answers

SOURCE: misfire in cylinder 3

NO to the MAF Sensor Question, and Spark Plug Wires Or BOOT Will Cause Missfire. As For Mass Air Flow Sensor Easy Check is to Dissconnect it While Engine is Running And If ENGINE SMOOTHES OUT The Sensor is Bad

Posted on Jul 30, 2009

  • 1 Answer

SOURCE: Have a 2003 Taurus, 3.0 engine that has a misfire

did you check the injector pulse on that cylinder and it also could be the pcm , i had a taurus and a sable with good coils stop firing 2 cylinders and it was the pcm ,the code it gave was secondary coil but changed the pcm and it worked fine

Posted on Aug 29, 2009

richardsimpl
  • 230 Answers

SOURCE: aurora 1997 i have changed the fuel pump,, fuel filter plugs,

Hi there
sounds like you done allot to this car. did you clean your gas tank? Reason i say this there are times you get bad gas that water with it. and it sounds like you got water in your tank. need to get it out. Try this get some rubbing alcohol and poor it in your tank. It won't hurt it. It will soak up the water that's in your tank. try this and let me know how it goes.
Thank you for writing to fix ya.
Best Regards Richard

Posted on Dec 29, 2009

Testimonial: "yeah, i did that this morning, the gas tank had a bunch of **** in it, changed fuel filter, tank needed cleaned same prob still thanks though"

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3 Answers

Replaced coil pack on 3800 pontiac bonneville and its still missing what now?


First you need to determine what type of miss you have. Is it random on all cylinders, or is it restricted to one or two cylinders? Random misfire can be caused by crank or cam sensors that are starting to give out. Single cylinder misfires can be due to plugs, wires, coils (you already addressed those), as well as internal issues such as burnt or broken valves.

Oct 23, 2015 | 2000 Pontiac Bonneville

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98 Pontiac GRAND am


The plugs and crank sensor could have done it, but the TPS and idle air control would have nothing to do with a random miss.
A more likely cause is the ignition module or a fuel problem. You may have to wait until the problem is bad enough to kill the engine or you have more codes to check out.

May 20, 2013 | Cars & Trucks

1 Answer

I have a 98 S10 pickup 2.2L. Engine has a bad misfire and no check engine light.


Improper spark plug gap
Damaged spark plugs
Poor contact between wires and spark plug or cap or coil pack
Bad insulation on plug wires
Cracks or corrosion build up on cap and rotor
Weak or defective coil(s)
Weak or defective ignition module
Weak or dirty crank sensor
Timing
Fuel pressure (from pump)
Clogged fuel filter
Defective injectors
Vacuum leaks
Defective injector drivers (computer)
Poor compression

That is all I can think may causes engine to misfire.

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Feb 04, 2013 | 1998 Chevrolet S-10 Pickup

1 Answer

Need some more info on some diagnostic codes that came up on my truck & how to fix them. P0137 o2 sensor, P0300 random multi miss, P0303 cylinder 3, P0306 cylinder 6, P0307 cylinder 7


Replace your O2 Sensor and Spark Plug Wires. If you still have the Random Misfire, replace your Spark Plugs, then Replace your Distributor Cap and Rotor. If you still have the Random Misfire you may have a Timing Problem, or Ignition Coil problem.

Feb 17, 2011 | 2000 Dodge Ram 1500 Truck

1 Answer

Missing intermittenly, shows problem with #2 cylinder. Could it be the coil and can you purchase separate coils.


Theses coils are separate, but handle 2 cylinders at a time. So in your vehicle you should have 3 coils.Random misfire may be caused by the following: due 4 tune-up, faulty coil, faulty spark plug, faulty plug wire, faulty cam or crank sensor, poor cylinder compression, intake/head gasket leaks. Before replacing parts, make sure that #2 cylinder is diagnosed for the misfire. Otherwise you'll be changing out good parts, and spending more $$$!!

Oct 05, 2010 | 2002 Buick Century

1 Answer

Used seafoam in oil engine misfiring


determine when it misfires, and isolate cylinders. a poormans method is use an infrared temperature gun (one with high range, 700 degrees or more is preferable) and with engine held at rev(say 2500) point at each exhaust port 1 by 1, misfiring holes have colder exhaust than firing holes.
If the misfire is momentary or intermittant, or caused by defective cam or crank sensors, you should see professional help...those problems require more advanced equipment to get the 1st time, unless you dont mind lobbing expensive parts randomly till you get lucky

Sep 12, 2009 | 1999 Mitsubishi Montero Sport

3 Answers

Car Misses after replacing the coils and spark plugs


Has the service engine light come on? If so, have the codes pulled and it will narrow down the cylinder that is causing the problem.
If no service engine light, have you narrowed it down to one cylinder or is it random.
Let me know and we will go from there.
Regards,

Mar 27, 2009 | 1995 Buick Park Avenue

1 Answer

S10 pickup misifirng when light highway load


I had to rebuild my engine at 97000 miles cuz of low engine oil pressure and bad berrings

Dec 14, 2008 | 2000 Chevrolet S-10

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