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        General >> Problems >> obd scan done no faults but
        
(Message started by: bulldog on Mar 28^th, 2008, 10:59am)

Title: obd scan done no faults but
Post by bulldog on Mar 28^th, 2008, 10:59am

obd scan done no faults but still have a problem.On tick over and driving round town smashing,but 30 miles on the motorway it feels like ive filled up with kangaroo juice.rac came out and cleaned the mef but didnt help.any one help? The car has done !00thou and has a full service history,due one thursday.

Title: Re: obd scan done no faults but
Post by bulldog on Mar 28^th, 2008, 11:00am

forgot to mention the car is a 2ltr dovc

Title: Re: obd scan done no faults but
Post by peteHull on Mar 28^th, 2008, 11:04am

Check your coilpacks and the associated wireing, ??? could be breaking down....

http://www.fordscorpio.co.uk/dohcloom.htm

Hth
Pete

Title: Re: obd scan done no faults but
Post by TiberiuS on Mar 28^th, 2008, 7:13pm

You could also do with getting some live data from the sensors through the OBD as well as any codes.

What is it - misfire, lack of power/vibration? Gear shifts ok? How is it doing for gas mileage? any other symptoms?

As Pete said, coil pack wiring (unbolt the cover with the Ford logo on the top of the engine to see the coilpacks/wiring)

You might find something like this, damaged wiring to the coilpacks which would give misfires and lack of power, commone fault on the DOHC Scorpios:

http://i94.photobucket.com/albums/l89/TiberiuS1250/Loom1.jpg

http://i94.photobucket.com/albums/l89/TiberiuS1250/Loom2.jpg

Regards, Bruce :).

Title: Re: obd scan done no faults but
Post by bulldog on Mar 29^th, 2008, 7:41pm

thanks ill check that if it ever stops raining