The typical aluminum head swells most in the middle, which can crush the head gasket if the head gets too hot. Possible air fuel ratio imbalance not detected during diagnosis. Check coolant level, radiator cap, temperature sensor, and thermostat. Sometimes it may prevent a true user from registering. Diagnostic Trouble Code Descriptions and service hints.
We wanted to take this time and post a list of Diagnostic Trouble Codes below for everyone to see. The O2 sensor signal should fluctuate under normal conditions. Speed control switch input above or below normal range. I have researched and found out that this car has been know for this issue. So you should chech it on our car models. Exactly what I was searching. Thanks for sharing the code list.
Additionally, it is important to replace crankshaft or camshaft sensors as a set, rather than individually. Normal if battery has been disconnected, otherwise check battery power and ground connections. If the light illuminates at any other time, a fault has been detected. This will usually cause the head gasket to leak compression between adjacent cylinders, or leak coolant into the cylinders. This process eliminates one of the most common issues for the P0378 code, and may help narrow the options for following repairs. No camshaft position sensor signal was received from the distributor.
I also replaced the ignition switch and both camshaft intake and exhaust solenoids. Many codes require specific engine speeds, temperatures, or voltages to set and store a code. How serious is the P0378 code? Also, no significant change in battery voltage was detected during a test of the generator output. How does a mechanic diagnose the P1103 code? Saturn Trouble Codes Code Retrieval Prodecure See to retrieve the trouble codes. The mechanic is looking for any damaged, loose, or faulty wiring, connectors, or components when doing this inspection.
P0378 Engine Diagnostic Code For 2003 Saturn Vue P0378 engine code for 2003 Saturn Vue provides below are generic codes that may not apply to all vehicles. By replicating the moment of failure, a mechanic may be able to discover the problem much faster. All stored codes will be erased if the battery is disconnected for 15 minutes, but a fault code 12 will be set when the battery is reconnected. YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Once registered please introduce yourself. However, it could also be preceded by , , and decreased fuel economy. When your car's 'Audi A4 P0378 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach.
L or R indicate left or right side O2 sensor. L or R indicate left or right side O2 sensor. Now don't ask yourself; What should you do with P0378 code? If there is no signal detected, then a visual inspection of the crankshaft and related components is necessary. What repairs can fix the P0378 code? If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. Heat makes aluminum swell almost three times faster than cast iron. While a vehicle can still operate with a P1103 trouble code stored, the erratic running condition of the engine and the subsequent stalling while idling can make the vehicle difficult to drive. I noticed a good while back that someone had removed them.
This could cause the low no voltage indication. What are the symptoms of the P1103 code? Open or short in the transmission overdrive solenoid circuit. A shorted battery cell can also trigger this fault. But not until after the car warms up for a little while. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.
The technician should repair or replace any components that are faulty. How does a mechanic diagnose the P0378 code? Certain conditions must exist for a fault code to be stored. The Check engine light will flash many short blinks. If you want to download it in a. In order to diagnose the cause of the P0378 code, many mechanics begin by inspecting the crankshaft gear and. How to fix P0378 engine diagnostic code For 2003 Saturn Vue? If your vehicle is an older model with a non-electronic Ignition System Or Misfire, you can check the distributor cap to see whether the spark is getting from there to the coil and on to the spark plugs.