Your talking about a gas leak here. you can fix it yourself but the safest way is yes the dredful auto mechanic. save up some money and get an estimate.. most of these problems are easy fixes if you just examine it a little closer. lets say your in the middle of no place and this happens. your the only one to fix it or your stuck there forever. examine it. be real about this and say can I fix this? if your not sure or don`t want to mess with it, auto repair shop time. better safe then sorry when it comes to gas brother it isn`t worth it. moneys tight? save and do it. don`t mess with gas and electric they don`t miss and have a dangerous way of letting you know that at a very expensive price.
SOURCE: i have a 1991 buick park avenue ultra
Speedometer or fuel gage?
If speedometer which is bouncing around, it is likely a bad ground near where the speed sensor wire harness (which connects the speed sensor to the rest of the "network") exits the transmission housing. It's at the very back of the transmission (you have a 4T60E trans) to the left of where the right side half-shaft leaves the trans housing. Just look for damaged wires. If none, replace the speed sensor for $50-60.
If it is the fuel gage, the sensor is probably not "zeroed"--it's reading wrong, too high, and if it were to start at true "empty", it would read right. Thus, the gage is always reading a little high (maybe a 1/8-1/10th of a tank too high?). This isn't a problem until to stop, start, or turn quickly and cause the fule to slosh around in the tank and starve the in-tank pickup which sends fuel to the engine.
If it is the fuel gage, you should simply put as much fuel in as you can and see if the needle goes far above "F". If it does, note how far it went and then practice filling the tank when the needle is that same distance above "E".
Hope this helps.
SOURCE: Car shakes when @ a complete stop
I have the solution to this problem. The firing order is off. I have an 89 Riviera and had the same problem. The placed the wires as shown in the repair manual, but for some reason that manual was wrong. Now the car purrs like a kitten.
Check the firing order. These cars can still run on 5 cylinders, but you will get the problem you have.
Trust me, this is what's wrong!
Joe
SOURCE: 95 buick park avenue wont start
Mine had the same problems and my buddy replaced my vacuum lines and my battery and seems to be OK. Now, though, if I turn it off for just a few minutes on a hot day, it won't start.
SOURCE: Car shakes when @ a complete stokes
Mass air flow meter,.fuel filer clogged bad fuel pump, map sensor vacumn line came off ???
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