Auto diagnostics OBD

How you can Diagnose a Ford Concentrate Engine Challenge 1Start the engine and open the hood. If there exists any white steam coming out around the mating surfaces of the engine, there's a head gasket leak.

The head gasket will really need to be replaced. If there is certainly black smoke coming out of your tailpipe Auto diagnostics, particularly if you accelerate, then your engine's air-to-fuel ratio is off. You might be burning an excessive amount of fuel. This might also trigger a examine engine light warning relating for the oxygen sensors in your Concentrate.2Locate the onboard diagnostic (OBD) access port towards the left with the fuse panel in the driver's side footwell.

3Plug the OBD scan tool into the access port. This is a 16-pin plug and may only be oriented a single way.4Turn on the scan tool and turn the ignition towards the "On" position.5Press "Start" on the scan tool. This will retrieve the engine codes. When the display reads "OK car diagnostic tool," unplug the scan tool and shut off the ignition. Use your Focus' service manual to translate the trouble codes (or see Resources).