1997 Buick LeSabre P0740
#1
1997 Buick LeSabre P0740
Hi I own 2 buick LeSabres 97 and 99 3.8 automatics which usually perform well but currently the 97 is throwing 3 codes p0740 p1655 and p1675. How hard is it to fir the TCC switch and how do I get to the Evaporative cannister? Any help would be appreciated I have working on my own cars for 40 years but the Buick is fairly new to me. Thanks, Mike
#2
Senior Member
True Car Nut
the codes are electrical control faults, and all of those get there power from a pink wire from 20a fuse 5. i would check that for power and problems
#3
P0740 p0753 p0758 p1675
These codes come up and my under the dashboard fuses are labeled A through E along one side and 1 through 6 on the other axis. 1997 Buick LeSabre. Thanks
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