Question about 1991 Buick Park Avenue
Check to see if there are any codes. You can do that by placing a paper clip on the A & B terminal of the diagnostic connector under dash above the gas pedal. You will now turn the key on, engine off, which it isn't running anyway, you will hear the fan start running. Now the service engine light will blink once, then twice. Now the next blinks is the ones you want to pay attention too. When the last code is given, it will repeat itself. I would be looking for codes such as 14, 15 or 41,42, 43. You can call Autozone or Advance Auto if you get one to see what it refers too. If you don't get anything other than the 12, I would be suspective of a timing chain expectaully with that high of mileage. You can spray ether into the air intake while attempting to start it. If it has spark, it should start. If it doesn't start at this point, I would go after the timing chain.
Posted on Aug 15, 2010
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Posted on Jan 02, 2017
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