Oldsmobile Delta 88 P3490 Engine Error Code

When you check Oldsmobile Delta 88 car engine light came on code P3490 the reason should be . However Oldsmobile manufacturer may have a different definition for the P3490 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3490 Oldsmobile Delta 88 engine diagnostic code is about in terms of how often you should get your tyres rotated, it's different for every vehicle and type of tyre, but having them rotated at every oil change is a good rule of thumb. Check with the tyre manufacturer for a more specific time frame. Remember that the more often you rotate your tyres, the more evenly they'll wear, and when you have the tyres rotated, you should also get them checked for balance and alignment.

Oldsmobile Delta 88 P3490 OBD-II Diagnostic Powertrain (P) Trouble Code Description P3490 Cylinder 12 Deactivation/Intake Valve Control Circuit Performance so you have to check ODB-II Engine Error Code list. Reason For Oldsmobile Delta 88 P3490 Code The reason of Oldsmobile Delta 88 P3490 OBD-II Engine Error Code is P3490 Cylinder 12 Deactivation/Intake Valve Control Circuit Performance.

OBD P3490 Oldsmobile Delta 88 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 P3490 Oldsmobile Delta 88 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 P3490 Oldsmobile Delta 88 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.

Oldsmobile Delta 88 P3490 Possible Solution :

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

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