check engine light? bad gas mileage....


hootie_ti

10+ Year Member

Joined
May 11, 2010
Messages
4
Points
3,001
Vehicle Year
1991
Transmission
Manual
ok so my check engine light just randomly turns on and off, anyone have any clue why? there is no particular time it does this, sometimes it will go a week and never come on then one day it will just randomly shine. AND i got a new fuel pump and filter installed professionally and ever since i have only been getting maybe 16-17 miles to the take, roughly 320 miles. before this i was getting 400 easy.....any ideas?
 
Scan for codes before throwing money and parts at it...

Gets the codes and let us know what they are.
 
yep, easy to do on a '91, it should tell you the problem...
 

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