Car Questions
RepairPal is your advocate for car care advice and guidance

Check engine light comes on when gas tank hits 3/4 full

(1996 Volvo 960)
in Van Nuys, CA on November 13, 2013
I've been told it has something to do with the smog system. This has happened 3 times, each time when the gas gauge shows 3/4 of a tank.
Displaying 2 answers & 1 comments
Popular Answer
of Greg's Orange Auto on November 14, 2013
agree with #1
on November 13, 2013
Sounds like you have a bad spot on your sending unit,but we need the trouble code to give you a better guesstimate on what it could be.
on November 13, 2013
Thank you - I will see if I can get the code.
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more
Didn't find what you were looking for?