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P1578 Engine Diagnostic Code For 2012 20i
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P1578 engine code for 2012 20i provides below are generic codes that may not apply to all vehicles. 2012 20i manufacturer uses specific 2012 20i diagnostic code that are different from the codes shown below. Foreign vehicles may also use DTC codes different from the generic DTC codes. |
Another consequence of P1578 engine overheating may be a blown head gasket. Heat makes aluminum swell almost three times faster than cast iron. Thermal stress can distort the head and make it swell in areas that are hottest like those between exhaust valves in adjoining cylinders, and areas that have restricted coolant flow like the narrow area that separates the cylinders. The typical aluminum head swells most in the middle, which can crush the head gasket if the head gets too hot. This will usually cause the head gasket to leak compression between adjacent cylinders, or leak coolant into the cylinders.
P1578 Diagnostic Trouble Code For 2012 20i Meaning
| 0 | 1 | 5 | 78 |
|---|---|---|---|
| Powertrain Problem | MFG - Manufacturer Specific | Vehicle Speed Control And Idle Control System | 78 Engine Fault Code |
How to fix P1578 engine diagnostic code For 2012 20i ?
Starting letter 0 diagnostic code shows that there are problems in engine, transmission and emissions systems.
If your "Check Engine Light" is on, it means your vehicle has one or more OBD II Trouble Codes so you have to check your engine diagnostic code tool.
If your vehicle is an older model with a non-electronic Vehicle Speed Control And Idle Control System, you can check the distributor cap to see whether the spark is getting from there to the coil and on to the spark plugs.
Don't forget ! If your P1578 engine code not resolved on and there are trouble codes in your computer, your vehicle will not pass an OBD 2 emissions test. The light must be off and there must be no codes in memory to pass an OBD 2 emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and completed without finding any further problems to pass the test.