Diagnose a Ford Hub Engine Disputed point
There are many matters that can pep inaccuracy with your Ford Meeting place engine. Many universal problems and trigger a "test engine" lambent to come on. The research engine bright can alert you of diverse problems with the engine's sensors. On the other hand, some problems can be diagnosed without having to bother reading the bad news codes. While replacement parts can be purchased from most auto-parts stores, it's a choice image to figure absent what's faulty with your engine beginning.
Instructions
Press "Start" on the scan tool. This will retrieve the engine codes. When the display reads "OK," unplug the scan tool and shut off the ignition. Use your Focus' service manual to translate the trouble codes (or see Resources). If there is black smoke coming out of the tailpipe, especially when you accelerate, then your engine's air-to-fuel ratio is off. You are burning too much fuel. This may also trigger a check engine light warning relating to the oxygen sensors on your Focus.
2. Locate the onboard diagnostic (OBD) access port to the left of the fuse panel in the driver's side footwell.
3. Plug the OBD scan tool into the access port. This is a 16-pin plug and can only be oriented one way.
4. Turn on the scan tool and turn the ignition to the "On" position.
5.1. Initiate the engine and disclosed the hood. Provided there is any immaculate steam future absent sorrounding the mating surfaces of the engine, there is a head gasket leak. The head gasket will need to be replaced.
