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Re: I have a 95 buick riviera supercharge and i had a...
Well 1995 buick is OBD 1 you will need a scanner with a data stream and you will need to measure fuel trim 118 to 121 is where you want the block learn to be at,
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there maybe a leak in the fuel line and it is not getting enough pressure any gas (fuel) smells at rear should be check as soon as found. check fuel lines on top of tank, they the first point to split. also at any joint that is metal in the fule line.
if your supercharger sounds like tumbling rocks, it is the plastic coupler between the nose cone and the charger body; take off your serpentine belt; chances are the pulley has some play in it but it turns freely; the replacement coupler is a cheap fix; what gets a lil pricey is the labor to replace it... the buick has an alternator bracket that has to come off before you can take the nose off of the supercharger... dont forget to drain the oil from the nose cone with a spray bottle nozzle
unplug the cam sensor behind the water pump pulley; see if it starts; if it does, shut off engine; replace both cam and crank sensors because crank sensors go out in these engines
Good engine 28 mpg+ hwy. These 3800 engines had upper intake problems and would leak coolant into the combustion chamber. The new ones were re-designed and do not give any trouble. My 90 buick 3800 has 295000 miles on it. If yours is supercharged it does not have that intake problem.
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