To much nitrous injected into it .
most time it is caused by intake gasket failure
diferential pressure sensor intake manifold plausibility
It Is caused from The heater Hose Located Under The Intake Manifold ..In Order To repair It You have To remove the Intake Manifold.....
Between the intake manifold and the cylinder head.
remove intake manifold.
between the head and intake manifold
Under the intake manifold. where is the intake manifold!
the intake manifold is what takes air coming from the intake and directs it to each intake valve in each cylinder
Yes, you must install a new intake manifold gasket.
Assuming this is a 4.3L engine, the upper intake manifold gasket would be between the upper intake manifold and the lower intake manifold.
YES
The intake manifold is where the air and fuel mix and enter the engine. The exhaust manifold is where unspent gas and air exit the engine. In other words the intake manifold is where the engine breathes in and the exhaust manifold is how the engine exhales out.