C3778 Pontiac Grande Parisienne DTC Code

Pontiac Grande Parisienne Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	W-Type Engine
Engine Air Intake Process :	Naturally Aspirated

Your Pontiac Grande Parisienne engine control system detects a problem, the computer stores the diagnostic trouble code C3778 in its memory. To figure out what is wrong with your vehicle you must first extract the C3778 DTC For Pontiac Grande Parisienne.

A good ground connection is also extremely important. C3778 Pontiac Grande Parisienne 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).

C3778 Pontiac Grande Parisienne DTC Meaning

C	Chassis Code - Problem is controller area network wiring bus and modules.
3	SAE - Generic
7	Ignition System Or Misfire
7	Exhaust Gas Recirculation System Valve 1
8	Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

The scent may C3778 Pontiac Grande Parisienne signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such C3778, so if the inside of your car C3778 DTC For Pontiac Grande Parisienne as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.