fuel efficiency

Hello All, happy holidays and hope everyone had safe holidays...... I just purchased a 2011 sc with 100,000 kms about 2 weeks ago and i have been driving it every day. I am pretty familiar with other rrs sc 2009 and 2010 but it seems like mine spends more gas then the other ones i used to...

I have a 2005 HSE 58000 Miles I am not the original owner. I do not know the service history I have owned it for 6 months and 3k. Here is the problem. The check engine light does not work. When you turn the key on to start it the light does not come on. I have pulled it apart enough to see that...

GEMS Fuel Pump Seal and line retainer seal Installation Questions The previous owner of my Callaway was a horrible mechanic. He had just replaced the fuel pump (just the pump in the original STC4545 housing) and since I got it from him it had leak down issues on pressure. Eventually no...

While playing around with some features in my P38 today i noticed that the MPG average read 99.9 so after holding for 2 seconds it went into Calculating Average MPG for quite some time (at which time i thought the feature might possibly have never been used ) and then returned again with an...