U2578 Pontiac Firehawk DTC Code

Pontiac Firehawk Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	In-Line Engine
Engine Air Intake Process :	Naturally Aspirated

Your Pontiac Firehawk engine control system detects a problem, the computer stores the diagnostic trouble code U2578 in its memory. To figure out what is wrong with your vehicle you must first extract the U2578 DTC For Pontiac Firehawk.

To solve U2578 Pontiac Firehawk 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

U2578 Pontiac Firehawk DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
2	MFG - Manufacturer Specific
5	Auxiliary Emission Controls
7	Exhaust Gas Recirculation System Valve 1
8	Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

OBD U2578 Pontiac Firehawk code and tailpipe testing are two different approaches to identify vehicles in need of repair. The OBD system looks for broken or malfunctioning emissions control components and U2578, while tailpipe tests sample a vehicle's exhaust to see if it is above or below certain prescribed limits. Given the robust nature of today's emissions control components, it is entirely possible for an individual component to U2578 DTC For Pontiac Firehawk malfunction without leading to an immediate increase in emissions at the tailpipe. In such cases, other components (like the catalyst) can temporarily compensate for the part that is broken however, these other components can only do double duty for so long before they, too, begin to malfunction. In addition, OBD also monitors for U2578 DTC For Pontiac Firehawk and other malfunctions in the fuel system problems that traditional tailpipe tests were not designed to identify. Most state and local areas also include a gas cap pressure test as part of an emission inspection.