SOURCE: 1989 lesabre engine codes
26 is a quad driver failure, 41 is a cam sensor failure. I can give you a test procedure for 26 but for 41 you likely need to replace the magnet that is in the cam gear for the cam sensor pick-up.
SOURCE: Can the DIC be used to read OBD-II codes on a 2004 Buick Lesabre?
No sorry, Take it to autozone, they will scan it for free.
SOURCE: my 1995 buick lesabre check engine light is on
Take it to a real mechanic, not the phoney physics at the zone. The speed sensor will not respond if the car is not moving. May be an air flow sensor. They will go bad if it has ever been wet. They can be checked with a scan tool.
SOURCE: 94 buick lesabre engine shut down while driving on
PROBLEM:car does not always start or car shuts down while driving.SOLUTION:replace module!the 1994 LeSabre has two options the ECO-1 or the OBDM-1.My LeSabre was repaired by a master mechanic,who also replaced the computer because it was fried.My mechanic used the OBDM-1 module and replaced the computer haven't had a problem since.
SOURCE: 98 buick lesabre 3.8, engine misfires. coil for #1& #4
coil packs go out but before replaceing just look under the wire where it hooks up and see if it is rusty or corroded.sometimes just one side goes out which I find kind of odd but it does happen,
Hello
The engine
and automatic transmission in this vehicles drive train
are fully electronically controlled by a computer called the PCM
(Power Train Control Module). Whenever a problem like this occurs the
computer stores a record of the problem (there are of course some
exceptions to this, like the fuel pump, engine coolant temperature
sensor and MAF sensor for instance) in the form of a fault code in
its memory, to read these fault codes you must have the systems
memory scanned with a special tool. Once the fault code(s) are read
you then must perform the appropriate diagnostic testing to find and
resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A
TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR
HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM
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