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Gmc Yukon U3688 Engine Error Code

When you check Gmc Yukon car engine light came on code U3688 the reason should be . However Gmc manufacturer may have a different definition for the U3688 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U3688 Gmc Yukon Code Clear

U3688 Gmc Yukon 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.)

U3688 Code Reason

Gmc Yukon U3688 OBD-II Diagnostic Network (U) Trouble Code Description

so you have to check ODB-II Engine Error Code list.

Reason For Gmc Yukon U3688 Code

The reason of Gmc Yukon U3688 OBD-II Engine Error Code is .

OBD U3688 Gmc Yukon 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 , 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 U3688 Gmc Yukon 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 U3688 Gmc Yukon 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.

Gmc Yukon U3688 Possible Solution :

What does fault code U3688 mean for Gmc Yukon ?
What does a diagnostic reading U3688 mean for Gmc Yukon ?
How to fix OBD2 Code U3688 for Gmc Yukon ?
What do we know about U3688 code for Gmc Yukon ?