1999 Pontiac Firebird "replace intake 1998 3800" Questions

1998 3800 v6 firebird... wont run right after starting when i start the car it immediately dies. after a few minutes of the gas pedal pressed down it will stay running. i had the maf sensor replaced ...

1998 Pontiac Firebird 3800 V6 overheating Vehicle was overheating, heater core was leaking, heater wasn't working...I R&R'd the heater core, thermostat, and a leaking heater hose..

...intake on a 3800 is a ongoing issue,, the intake gasket gets distorted and destroyed and I have always bought a new intake plenum and replaced the complete setup. not a difficult job if you take your ...

1998 olds 88, 3800 engine. HEAD GASKET GONE white smoke ! sounds like head gasket leaking,will also set a misfire code I would suspect an intake gasket for this engine because they are known for these

...1998 oldsmobile 88 royale LS with a 3800 series II engine. The car ran hot replaced the engine intake manifold, and now when i try to start it will not start, has a rough sounds when trying to start. ...

...replace a leaking intake gasket? I live in Phoenix, Az. Thank You. What engine is in this? Is it the Supercharged 3800 or the non-Supercharged? The gaskets themselves are not terribly expensive (GM ...

1998 oldsmobile 88. Never have seen blown headgaskets on a 3800 engine. Buick dealer parts guy over 20 years. You need a new upper intake manifold as it has leaked coolant into the combustion chamber.

...replace the lower intake gaskets because they leak too. Make sure the lower manifold is not warped around the rubber gaskets towards the throttle body side, a new or used loewr manifold might be ...

what causes antifreeze to get under the plenum on a 98 buick 3800 eng ? thank's Luther the EGR transfer tube melts the upper intake(plenum) it will need to be replaced

...replace the timing set first, or after ,it would not start after the intake was replaced. Replacing just the intake would not alter the timing components. The intake is a pretty straight forward job. ...