jgaugie
Member
Check engine light
I have experienced a great deal of frustration with my "check engine light". I have had my 2005 XLR into the Cadillac dealer 4 times and had O2 sensors changed several times among other "fixes" to the tune of more than $1000 and recently it came on again so I found a very experienced ex-Cadillac service mgr now in business for himself to look at my service reports and the car. He did not think the O2 sensors were faulty and checked all the variables and found them to be within acceptable parameters even though the codes indicated that the car was running lean--too much air or not enough fuel. He found no vacuum leaks and checked the intake and found all 10 bolts holding the intake down so loose he could turn them by hand. He concluded that air entering via the loose connection could be causing the problem. There is no excuse for the Cadillac techs not finding this out. The light is out and we shall see if this fixes the problem once and for all. If it does than I was taken for a "ride" by my friendly Cadillac dealer.
I have experienced a great deal of frustration with my "check engine light". I have had my 2005 XLR into the Cadillac dealer 4 times and had O2 sensors changed several times among other "fixes" to the tune of more than $1000 and recently it came on again so I found a very experienced ex-Cadillac service mgr now in business for himself to look at my service reports and the car. He did not think the O2 sensors were faulty and checked all the variables and found them to be within acceptable parameters even though the codes indicated that the car was running lean--too much air or not enough fuel. He found no vacuum leaks and checked the intake and found all 10 bolts holding the intake down so loose he could turn them by hand. He concluded that air entering via the loose connection could be causing the problem. There is no excuse for the Cadillac techs not finding this out. The light is out and we shall see if this fixes the problem once and for all. If it does than I was taken for a "ride" by my friendly Cadillac dealer.
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