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P3429 Engine Trouble Code

Meaning of P3429 engine trouble code is a kind of powertrain trouble code and when the check engine light comes P3429 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.

P3429 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 P3429 code is occuring now you should check P3429 repair processes.
Now don't ask yourself; What should you do with P3429 code ?
The solution is here :

P3429 Possible Solution:

P3429 Engine

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

P3429 Code Meaning :

P 3 4 2 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Ignition System Or Misfire O2 Sensor Heater Circuit Malfunction Turbocharger Boost Sensor A Circuit Low Reverse Input Circuit

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

P3429 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3429 engine trouble code is about Reverse Input Circuit.

Main reason For P3429 Code

The reason of P3429 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

Parts or components should not be replaced with reference to only a P3429 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.