1993 Pontiac Sunrunner P0481 Fault Code Check

When you check 1993 Pontiac Sunrunner car engine light came on code P0481 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Pontiac manufacturer may have a different definition for the P0481 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

Another consequence of P0481 1993 1993 Pontiac Sunrunner engine overheating may be a blown head gasket. Heat makes aluminum swell almost three times faster than cast iron. Thermal stress can distort the head and make it swell in areas that are hottest like those between exhaust valves in adjoining cylinders, and areas that have restricted coolant flow like the narrow area that separates the cylinders. The typical aluminum head swells most in the middle, which can crush the head gasket if the head gets too hot. This will usually cause the head gasket to leak compression between adjacent cylinders, or leak coolant into the cylinders.

1993 Pontiac Sunrunner P0481 OBD-II Diagnostic Powertrain (P) Trouble Code Description 1993 Pontiac Sunrunner car P0481 OBD-II Trouble Code The electric cooling fan is controlled by the Engine Control Module ( Reason For 1993 Pontiac Sunrunner P0481 Code The reason of 1993 Pontiac Sunrunner P0481 OBD-II Fault Code Check is P0481 Cooling Fan 2 Control Circuit Malfunction.

1993 Pontiac Sunrunner P0481 Possibble Fix Ways :

Detonation, or spark knock, is a type of combustion caused by the buildup of too much heat and pressure in the engine's combustion chamber. When this happens, you should be able to hear a metallic knocking or pinging noise. A small amount of detonation usually won't cause major damage, but heavy knocks or prolonged detonation can cause serious damage to your parts. It can punch holes in your pistons, crush rod bearings, blow head gaskets, crack rings, and pound out piston ring grooves. Prolonged pinging noises are a definite cause for concern.

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P0481 1993 1993 Pontiac Sunrunner 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.

What does fault code P0481 mean for 1993 Pontiac Sunrunner ? What does a diagnostic reading P0481 mean for 1993 Pontiac Sunrunner ? How to fix OBD2 Code P0481 for 1993 Pontiac Sunrunner ? What do we know about P0481 code for 1993 Pontiac Sunrunner ?