Your Dkw F9 engine control system detects a problem, the computer stores the diagnostic trouble
code P2091 in its memory.
To figure out what is wrong with your vehicle you must first extract the P2091 DTC For Dkw F9.
P2091 Dkw F9 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.)
P2091 Dkw F9 DTC Meaning
Powertrain Code - Problem is related engine, transmission and emissions systems.
MFG - Manufacturer Specific
TP Sensor Learn Not Complete
PCM Stack Overrun
The rule of P2091 Dkw F9 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of P2091. Likewise, overriding the OBD P2091 DTC For Dkw F9 system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.