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B3985 Engine Code Repair

Meaning of B3985 engine trouble code is a kind of body trouble code and when the check engine light comes B3985 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

B3985 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting

If one of these reasons for B3985 code is occuring now you should check B3985 repair processes.
Now don't ask yourself; What should you do with B3985 code ?
The solution is here :

B3985 Possible Solution:

B3985 Engine

Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.

B3985 Code Meaning :

B
OBD-II Diagnostic Body (B) Trouble Code For Engine

3
Ignition System Or Misfire

9
Engine Oil Temperature Sensor Malfunction

8
Cylinder 10 Contribution/balance Fault

5
Timing Reference High Resolution Signal A Too Many Pulses

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

B3985 OBD-II Diagnostic Body (B) Trouble Code Description

B3985 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For B3985 Code

The reason of B3985 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B3985 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.