P1191 Engine Trouble Code
Meaning of P1191 engine trouble code is a kind of powertrain trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
P1191 Fault Symptoms :
If one of these reasons for P1191 code is occuring now you should check P1191 repair processes.
Now don't ask yourself; What should you do with P1191 code ?
The solution is here :
P1191 Possible Solution:
Gasoline engines use spark plugs to cause an explosion of fuel within the cylinder. In a properly timed engine, this explosion occurs at the proper moment to send the piston to the bottom of the cylinder and provide power to the drive shaft. If the plug wires are out of sequence, the explosion occurs at the wrong time. The improper timing of the explosion sometimes pushes the cylinder the wrong direction or interferes with the turning of the crank. As a result, the engine stutters or backfires, if it runs at all.
P1191 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||Fuel Rail/System Pressure - Too High||Crankshaft Position Sensor A Circuit Malfunction||Crankshaft Position Sensor A Circuit Low Input|
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.
P1191 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1191 OBD-II Trouble Code Key Line Voltage is one of the definitions for the P1191; however your vehicles manufacturer may have a different definition for the P1191 code. Please check below for your specific make. P1191 code.
Main reason For P1191 CodeThe reason of P1191 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.
P1191 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.