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1G4GK477XGP431185
Vehicle Summary
The 1986 Buick Regal is a classic American coupe with a 3.8L V6 engine, produced by General Motors in Pontiac, Michigan. Known for its sleek two-door design, it runs on gasoline and falls under the Class 1 weight category. A symbol of 80s automotive craftsmanship, this passenger car combines power and style.
Complete Specifications
Common Issues for This Vehicle
Oil leaks
Common in older engines like the 1986 Buick Regal due to worn seals and gaskets.
Overheating
Can be caused by a failing radiator, water pump, or thermostat, which are common issues in vintage engines.
Poor fuel economy
Often due to aging carburetor or fuel injection systems that may need cleaning or replacement.
Ignition system problems
Issues such as worn spark plugs, faulty ignition coils, or a failing distributor can cause rough idle and misfires.
Vacuum leaks
Common in older V6 engines, leading to poor engine performance and stalling.
Timing chain wear
Over time, the timing chain can stretch or wear out, causing timing issues and potential engine damage.
Exhaust manifold cracks
The V6 configuration can lead to heat stress on the exhaust manifold, causing cracks and exhaust leaks.
Egr valve issues
The Exhaust Gas Recirculation (EGR) valve can become clogged or fail, affecting engine performance.
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