> Couple months ago I brought my 1998 S70 to a good independent garage
> that's specialized in European cars (esp. Volvo) due to persistant
> Check Engine Light.
> After being charged $70 for his diagnostic, I was told no code was
> found. The light was simply reset and a new gas cap installed (they
> found it leaky).
> However, a couple weeks afterward the light came back. It actually went
> off by itself once but after another couple hundred miles, it came
> back. Also the light seemed to more often came up (after I reset it
> with a OBDII reader) when the gas tank was near empty.
> I'm afraid of being charged another $70 for nothing- at the garage or
> Anyone knows what's going on? My cheap OBDII reader can't read any code
> Appreciate any helps!
I had repeated checklight problems on my 2000 S-40. The code said it was a gas cap
problem, and the mechanic blamed it on the gas cap not being put on tight. The third time
it happened, I was much annoyed, and the service manager suggested trying a new gas cap.
He took one out of the parts room, and as he put it on he said it was a slightly different
design. It fixed the problem. I suspect Volvo had a reason for the design change.