U2578 DTC For Pontiac Lemans
Pontiac Lemans Engine Specifications:
Engine Type : | Multi-Cylinder Engine |
Cylinder Type : | V-Type Engine |
Engine Air Intake Process : | Supercharged Engine |
Your Pontiac Lemans 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 Lemans.
A good ground connection is also extremely important. U2578 Pontiac Lemans engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).
U2578 Pontiac Lemans 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 |
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U2578 Pontiac Lemans code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.
You can also check other Pontiac car models :
The listed Pontiac models will give information about U2578 DTC.
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