How to fix Ford F-150 EcoBoost misfire?

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When did the Ford 3.5 EcoBoost come out?

3.5 EcoBoost Twin Turbo V6 Engine Ford 3.5 EcoBoost engines came out in 2010 in the Lincoln MKS, MKT, Ford Flex and Taurus SHO. The 3.5 liter twin turbo V6 then made its way into many other Ford and Lincoln models in the following years. It’s a stout engine offering 355 to 647 horsepower and plenty of torque.

Is there a misfire on the 2011 F150 FX4?

2011 F150 FX4 with 3.5L Ecoboost developed a severe misfire at 65k miles. So far the dealership has replaced a coil and all spark plugs, misfire no longer severe, but still present. After some research, there are problems with the CAC and many of the trucks left the factory with Mis-Gapped plugs.

What are the symptoms of a Ford 3.5 EcoBoost engine problem?

5L Timing Chain Symptoms. A few symptoms of timing chain, guides, tensioner, and cam phaser problems on the 3.5 EcoBoost include: Cold start rattle; DTC P0016; Check engine light; Drivability issues; Rattling on cold starts is one of the more common symptoms that may indicate something is going on with the timing chain.

Can a 3.5L EcoBoost cause a misfire?

What causes a spark plug to misfire on a Ford EcoBoost?

Carbon tracking is where the spark fires between the top of the plug and the base, across the ceramic shell. This leaves a characteristic carbon track on the insulator. It also causes the plug to misfire. At this point I decided to just change the spark plugs.

What makes a 2012 F-150 Platinum EcoBoost stutter?

Installed new ignition coils, new plugs (gapped at .030 inch), cleaned all MAP sensors, fuel injection clean, transmission flush, and drilled the hole in the CAC. Thinking that with the stutter still present (was worse before the spark plug change) that there’s still a sensor that may be out of whack. 2) Manifold throttle position is chasing.

What happens in a 2012 F-150 Platinum?

2012 F-150 Platinum Ecoboost, 95k miles. 1) Experiencing engine stutter/misfire when accelerating. Usually around 1500 RPM (regardless of gear position). Installed new ignition coils, new plugs (gapped at .030 inch), cleaned all MAP sensors, fuel injection clean, transmission flush, and drilled the hole in the CAC.

Why are my spark plugs misfiring on my Ford EcoBoost?

So far the dealership has replaced a coil and all spark plugs, misfire no longer severe, but still present. After some research, there are problems with the CAC and many of the trucks left the factory with Mis-Gapped plugs. Anyone well versed in the problem?

Is there a fix for the F-150 EcoBoost misfire?

It took a few months of trying different solutions, but my 2011 F-150 Ecoboost is finally running in top form. Yes, you need new ignition coil packs…and yes, I also believe the weep hole has improved performance. The final piece in this puzzle is the spark plug gap.

Are there any problems with the Ford EcoBoost engine?

Many of these engines are out of warranty and heading to your shop. Here are the top failures and what to look for. Some 2011-2012 F-150 models equipped with a 3.5L EcoBoost V6 engine may exhibit an intermittent stumble and/or misfire on hard acceleration after an extended drive at highway speeds during high humidity or damp conditions.

How to fix Ford F-150 EcoBoost misfire?