Guest Bruserdog Posted November 15, 2015 Share Posted November 15, 2015 Hi Group, I'm Tracey from Va, just bought a perfect shape supercharged Riveria for a few bucks. I don't hear the whine of the supercharger and the car doesn't want to take any throttle above passing speed. It will cruise flawlessly all day long at 55 or so till I go to pass someone or mash the gas then it literally shutters and bucks. I have no problem getting it fixed as the car is absolutely flawless! It's in amazing condition. Any ideas? The engine compartment is spotless also. No leaks or anything obvious. Thank you -Tracey Link to comment Share on other sites More sharing options...
DAVES89 Posted November 15, 2015 Share Posted November 15, 2015 Check out the MAF [Mass Air Flow] sensor. Link to comment Share on other sites More sharing options...
1965rivgs Posted November 15, 2015 Share Posted November 15, 2015 Miles? When did it last receive a basic tuneup? Tom Mooney Link to comment Share on other sites More sharing options...
60FlatTop Posted November 15, 2015 Share Posted November 15, 2015 Probably needs a set of plug wires. I never heard a Buick supercharger whine. I've had two. They just come in at about 27 or 2800 RPM and start pulling. Bernie Link to comment Share on other sites More sharing options...
TexasJohn55 Posted November 16, 2015 Share Posted November 16, 2015 If you have no "check engine" light or codes, I concur on basic tune-up. Ignition misfires may not show any codes and the 3800 is known to have troublesome ignition which is usually plug wires or coils. Misfires usually occur at low rpm and high load such as you describe. Link to comment Share on other sites More sharing options...
Guest alexob53 Posted November 21, 2015 Share Posted November 21, 2015 I had a VERY similar issue with my 96' supercharged. The solution was coil packs, after I replaced it ran flawlessly even with 195k miles. The check engine OBD II code will read misfire. Link to comment Share on other sites More sharing options...
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