What Causes an engine to misfire under load?

What Causes an engine to misfire under load?

An engine misfires. Engine misfires can be caused by a list of faults, but there are a few suspects that occur more than others. The primary villains are simple – spark or fuel – usually manifesting in spark plugs, plug wires, the coil(s) or the fuel-delivery system.

What Causes random misfire on one cylinder?

Lean misfire causes that only affect one cylinder include a dirty fuel injector, an open or shorted fuel injector, or a problem in the fuel injector driver circuit (wiring or PCM). Compression problems that may cause a misfire include a burned exhaust valve, bent intake or exhaust valve, or leaky head gasket.

Are there any problems with the 2002 Ford Explorer?

The good news is that even with a faulty transmission, there are still some services that will pay for your junk car. The 2002 Ford Explorer, unfortunately, received an extremely high amount of NHTSA complaints and user reports of issues.

Which is the worst model of Ford Explorer?

However, the 2006 Explorer is the worst-rated model due to the high repair cost and extra problems at lower mileage. The Ford Explorer has numerous problems in different categories that are a part of your vehicle.

When does Ford Explorer hesitate during acceleration inspection?

Ford Explorer Engine hesitates during acceleration Inspection at your home or office. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. Our certified mobile mechanics can come to you now. Ford Explorer Engine hesitates during acceleration Inspection costs $89 on average.

What to do if your Ford Explorer is missing an O2 sensor?

If problems persist, replace the part (<$100). Best fit is a Motorcraft part from a Ford store as I’ve found that replacements from independent stores have the connector located on top which prevents the cover from being reinstalled correctly. what about an o2 sensor? check it out.