P3221 Pontiac Grandeparisienne DTC Code

Pontiac Grandeparisienne Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposed Cylinder Engine
Engine Air Intake Process :	Naturally Aspirated

Your Pontiac Grandeparisienne engine control system detects a problem, the computer stores the diagnostic trouble code P3221 in its memory. To figure out what is wrong with your vehicle you must first extract the P3221 DTC For Pontiac Grandeparisienne.

To solve P3221 Pontiac Grandeparisienne problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

P3221 Pontiac Grandeparisienne DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
3	SAE - Generic
2	Computer And Auxiliary Outputs
2	Cruise Control Servo Indicates Low
1	PCM Stack Overrun

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P3221 Pontiac Grandeparisienne code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.