Testing the COP coils in her 3.0L Ford escape (or 3.0L Mazda Tribute) can be a challenge, due to the fact that three that them room under the intake manifold plenum (this short article can be applied to several other 3.0 Ford models).

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The 3 that room underneath the input plenum space the COP coils because that cylinders #1, #2 and #3 (cylinder #1 is the one closest to the serpentine belt).

These three have the right to not be easily tested like the ones that are on the engine bank that is closest come the radiator.

Well, in this article, I"m gonna" offer you a substantial testing strategy that"ll assist you get to the bottom that the misfire on her 3.0L Ford escape or 3.0L Mazda Tribute.


Contents of this tutorial:


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you can uncover this tutorial in Spanish here: Cómo Probar las Bobinas De Encendido (3.0L Ford Escape) (at: autotecnico-online.com).

Important Tips and also Suggestions

TIP 1: although the main emphasis of this short article is experimentation the COP coils top top a 3.0L Ford to escape (3.0L Mazda Tribute), the tests apply to the vehicles provided in the ‘Applies To’ crate on the 2nd column (since this vehicles also have the COP coils because that cylinders #1, #2, and also #3 underneath a plastic entry manifold plenum).

TIP 2: The fuel pump relay needs to be removed prior to testing the COP coils for spark. This is a safety and security precaution that will stop the engine native starting.

The photo of the fuel pump relay (in the fuse box) in this write-up is of a Ford to escape (Mazda Tribute). You deserve to see this picture here: place Of The Fuel Pump Relay. If your car is not a Ford Escape, you"ll should consult her owner"s hand-operated or a repair hand-operated for the place of the fuel pump relay ~ above your details vehicle.

TIP 3: testing the COP coils on your Ford Escape may require removing the top part of the input manifold (known together the intake manifold plenum).

TIP 4: when removing the plastic entry manifold plenum, you"ve obtained to it is in extra careful nothing falls into the open intake manifold ports.

Once the plenum is off the intake manifold, ingredient clean rags right into the 6 open ports come prevent any type of foreign thing (like a bolt) from falling inside.

Symptoms that A negative Ford to escape COP Coil

The most typical symptom that a negative COP ignition coil on her Ford escape is a misfire condition. What ‘throws a wrench right into the works’, is the the misfire condition sometimes doesn"t collection a diagnostic trouble password (DTC).

You may also see one or much more of the adhering to symptoms:

Check engine light is on with one or numerous of the adhering to DTCs :P0300: random Cylinder Misfire.P0301: Cylinder #1 Misfire.P0302: Cylinder #2 Misfire.P0303: Cylinder #3 Misfire.P0304: Cylinder #4 Misfire.P0305: Cylinder #5 Misfire.P0306: Cylinder #6 Misfire.Rough idle.Bad gas mileage.Excessive tail-pipe emissions (pollution).A "rotten egg" smell coming indigenous the tailpipe.This smell is caused by unburned gasoline from the misfiring cylinder overloading the catalytic converter"s oxidation process.Engine misfires under load. In various other words; the engine starts to miss as you give it gas.

What Tools do I must Test The Ford escape COP Coils?

You"ll test and diagnose the ignition coils ~ above the automobile or truck through some very basic tools. You"ll need:

A 12 Volt automotive test light.A multimeter.An HEI spark tester.You"ll require a helper to assist you crank the engine if you execute the tests.A fix manual.For any remove and also replace information that ns don"t covering in this article.

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A scan tool will come in handy to read any type of misfire diagnostic trouble codes save on computer in your Ford Escape"s PCM"s memory yet to test the really COP coils -You perform NOT require a scan tool.