1998 Ford Expedition "common gas leaks" Questions

...($) the mechanic said carbon dioxide is leaking into the coolant somewhere. what could be causing this? Most common cause is a leaking head gasket. The leak allows exhaust gas into the cooling

...common repair is to: Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back. Otherwise, replace the gas cap, and/or Inspect the EVAP system for ...

...includes the fuel cap, fuel filler neck, fuel tank, all evap lines and solenoids that could be the problem. Most common are the filler neck where the gas cap goes...sometime you can see small

...gas and hesitates and also a faint smell of fuel. I am unsure what to move onto next oh and I ran some fuel injector cleaner thru system. All this has helped i was unable to get past 10mph prior. It ...

...gas for more speed and my rpm shoots up and my speed doesn't go up. I have to stop and try again and it works just fine. its over excelling and i'm getting no speed to traction. have the transmission ...

...gas it stalls out.what all could be my problem hello, if the check engine light is on, i would start there with a diagnostic scan to determine why it is on. The fuel pressure needs to be checked to ...

...common problem. If it's awd check front driveshaft, I have a 01 awd an had the same thing when I give it gas knocking get loud, I removed the front drive shaft an the sound is gone an my mpg has went ...

...gas mileage as well as performance. Finding a vacuum leak can be somewhat difficult but there is a fairly easy method; spray your vacuum lines with carburetor cleaner. If the engine revs higher while ...

...gas leaks - Incorrect fuel pressure - Lack of fuel - Mass air flow sensor may be faulty - Incorrect PCV hose connec Possible solution Dirty air filter of faulty air flow sensor are common causes of ...

...if so then retrieve and repost, if no codes set, check vacuum hose on back of intake manifold they commonly dis-integreate, causing a major vacuum leak, this hose is the one that goes to your P.C.V. ...