Question about 1984 Buick Riviera
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Posted on Jan 02, 2017
you most likely have a coil pack going bad.
This can cause an electrical spike and cause computers to reboot just like your home PC in and electrical storm,that is why the transmission acts as if it does not know which gear to go in.
You need to have someone hook up a scan tool and retrieve the trouble codes and see if there is a miss-fire code stored in memory.
Posted on Apr 03, 2009
SOURCE: 1995 buick park ave bucks/shakes
it may be fuel injector wiring. since you have check the compression and the replaced the injector. it is time to take a look at the injector wires.
Posted on Apr 29, 2009
SOURCE: Transmission Bucks on hills
I have a 1990 Buick LeSabre with the 3800 engine. Recently the engine
has began to miss under mild acceleration. It is not just a misfire
where the spark plug failed; it is more abrupt.
when the engine idles it almost always acts like it the engine is misfiring and it is like the engine is actually kicking back every nowand then. From inside the car while idling, I can feel the same phenomenon. I kicks!
I am not sure where all of the notorious sensors are located and I not feeling like they are at fault. The only one that I feel could be the culprit is TDC sensor or and anti knock device if it has one. Of course it could be the ignition module, I guess.
What I am thinking is that if this engine had an old fashion distributor, it would be as though a cylinder ignited out of sequence or before the piston reached the point that is near TDC. Could it be probable that the the module allowed the spark to set off another cylinder sporadically? Does this motor have an actual distributor cap? Could there be a short between some terminals?
It is not valves because for short periods of time the "miss" will vanish.
The check engine light is not on!
Posted on Jul 21, 2009
Sounds like the valves in the valve body are sticking,and maybe a lock up converter.Try this brand ,lube guard,for transmissions,it can be found at napa auto parts,it is the beat,and will most likely fix the problem,it is for transmission shutter.
Posted on Jan 26, 2010
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i suggest you to refer these gear shift issues, which are mostly noticed. These
are direct links with appropriate solutions to
the specific problems of gear ****.
GEAR SHIFT ISSUES
Car is stuck in park and the shift will not move?
These details will help.
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