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U1178 Engine Trouble Code

Meaning of U1178 engine trouble code is : U1178 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

U1178 Possible Solution:

U1178 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.

U1178 Code Meaning :

U 1 1 7 8
OBD-II Diagnostic Network (U) Trouble Code For Engine Fuel And Air Metering Fuel Rail/System Pressure - Too High Cylinder 10 Contribution/balance Fault Clutch Position Sensor Circuit Malfunction

Regarding the U1178 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

U1178 OBD-II Diagnostic Network (U) Trouble Code Description

U1178 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Reason For U1178 Code

The reason of U1178 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

U1178 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.