Questions & Answers for: Buick code 26

History Code #26 Quad Driver Failure No codes now gas milage down 136000 miles runs good!! replace power train control module

1989 lesabre engine codes i have an 89 buick lesabre 3.8 with engine codes 26 and 41 what do i need to check 26 is a quad driver failure, 41 is a cam sensor failure. I can give you a test procedure ...

...code 26 mean? Code 26 comes up on 1990 Riviera but we do not know what it means Did you try going to Advance Auto or a similar business to check the code for that. Sometimes they can get you in the ...

...code 26 that is a quad driver which a computer chip feeding information to 4 different locations. my question is what is location of this chip and could this chip be driving the throttle position ...

...26, and 27, and In attempting to look up these codes, I found a website on about.com which lists the OBD I codes for a 1991 buick, yet, there is no 27 code listed. I did find another site that has a ...

probable cause on a 1992 buick code 26 and 42 show up can some one help me please code 26 is .... Quad Driver (QDM) "A" Fault code 42 is ..... Electronic Spark Timing (EST) Circuit

buick 92 code 26 code 26 is .... Quad Driver Module (QDM A) error

...to troubleshoot for a code 26 on a 1992 buick skylark have replaced tps sensor . On the internet Buick OBD 1 code 26 Replaced a tested & failed sensor? You don't replace good parts for no ...

Code 26 is for a problem with one of the quad drivers inside the engine computer, or the wiring harness, and code 42 is for a problem with the ignition module or the control. You'll need a shop manual