Testing the COP coils in your 3.0L Ford escape (or 3.0L Mazda Tribute) have the right to be a challenge, due to the fact that three that them space under the entry manifold plenum (this short article can be used to several other 3.0 Ford models).
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The 3 that are underneath the entry plenum are the COP coils because that cylinders #1, #2 and #3 (cylinder #1 is the one closest come the serpentine belt).
These three deserve to not be quickly tested favor the ones that room on the engine bank that is closest to the radiator.
Well, in this article, I"m gonna" offer you a comprehensive testing strategy that"ll aid you get to the bottom the the misfire on your 3.0L Ford escape or 3.0L Mazda Tribute.
Contents that this tutorial:
Important Tips and Suggestions
TIP 1: although the main focus of this write-up is testing the COP coils on a 3.0L Ford escape (3.0L Mazda Tribute), the tests use to the vehicles detailed in the ‘Applies To’ box on the 2nd column (since these vehicles also have the COP coils for cylinders #1, #2, and #3 underneath a plastic intake manifold plenum).
TIP 2: The fuel pump relay requirements to be removed prior to testing the COP coils for spark. This is a safety precaution that will protect against the engine from starting.
The picture of the fuel pump relay (in the fuse box) in this post is that a Ford escape (Mazda Tribute). You have the right to see this photograph here: location 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 hands-on for the place of the fuel pump relay ~ above your specific vehicle.
TIP 3: trial and error the COP coils on your Ford Escape might require remove the top part of the entry manifold (known together the entry manifold plenum).
TIP 4: when removing the plastic entry manifold plenum, you"ve got to be extra mindful nothing falls into the open up intake manifold ports.
Once the plenum is off the entry manifold, stuff clean rags right into the 6 open ports to prevent any foreign object (like a bolt) indigenous falling inside.
Symptoms the A negative Ford escape COP Coil
The most usual symptom that a poor COP ignition coil on your Ford to escape is a misfire condition. What ‘throws a wrench right into the works’, is that the misfire condition sometimes doesn"t collection a diagnostic trouble code (DTC).
You may likewise see one or more of the complying with symptoms:Check engine irradiate is on v one or number of of the following DTCs :P0300: arbitrarily 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" odor coming indigenous the tailpipe.This odor is led to by unburned petrol from the misfiring cylinder overloading the catalytic converter"s oxidation process.Engine misfires under load. In various other words; the engine start to miss out on as you provide it gas.
What Tools perform I must Test The Ford to escape COP Coils?
You"ll test and also diagnose the ignition coils ~ above the vehicle or truck with some very simple tools. You"ll need:A 12 Volt automotive check light.A multimeter.An HEI spark tester.You"ll require a helper to help you crank the engine while you do the tests.A repair manual.For any type of remove and replace details that i don"t covering in this article.
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A scan tool will come in handy to read any kind of misfire diagnostic trouble codes stored in her Ford Escape"s PCM"s memory but to test the really COP coils -You execute NOT require a scan tool.