Your Pontiac Ventura engine control system detects a problem, the computer stores the diagnostic trouble
code U0989 in its memory.
To figure out what is wrong with your vehicle you must first extract the U0989 DTC For Pontiac Ventura.
U0989 Pontiac Ventura engine problem can be occur defective fan clutches are a common and often overlooked cause of engine overheating. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. Eventually slippage reaches the point where effective cooling is no longer possible and overheating results. (On average, the life of a fan clutch is about the same as a water pump. If one needs to be replaced, the other usually does too.)
U0989 Pontiac Ventura DTC Meaning
Network Code - Problem is climate control system, lighting, airbags, etc.
SAE - Generic
Crankshaft Position Sensor Circuit Performance
A/C System High Pressure High Temperature
OBD U0989 Pontiac Ventura 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 U0989, 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 U0989 DTC For Pontiac Ventura 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 U0989 DTC For Pontiac Ventura 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.