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quickcar
quickcar, ASE Certified Technician
Category: Buick
Satisfied Customers: 1695
Experience:  10 plus years of experience working on various gm cars.
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code po742

Customer Question

code po742
Submitted: 7 years ago.
Category: Buick
Expert:  quickcar replied 7 years ago.

hello, what year and model is your Buick?

Customer: replied 7 years ago.
HI SORRY IT STARTED SHIFTING FUNNY CLUNK HARD THEN GOT CODE P0742 TURNED CAR OFF AND STARTED IT AGAIN RAN FINE DID IT 3 TIMES IN LIKE 2XXX MILES 2000 BUICK CENTURY 3.1
Expert:  quickcar replied 7 years ago.
ok i did some looking and there is a tsb for this concern but unfortunately the transmission is going to have to come out, the tsb tells you if you have code p0742 and the symptoms you describe to replace the torque convertor clutch solenoid. there is also another tsb that involves replaces the TCC valve and cleaning the throttle body.