U1177 Engine Code Repair
Meaning of U1177 engine trouble code is a kind of network 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 $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
U1177 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for U1177 code is occuring now you should check U1177 repair processes.
Now don't ask yourself; What should you do with U1177 code ?
The solution is here :
U1177 Possible Solution:
Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.
U1177 Code Meaning :
U
OBD-II Diagnostic Network (U) Trouble Code For Engine
1
Fuel And Air Metering
1
Ambient Air Temperature Sensor Circuit Low
7
Cylinder 4 Contribution/Balance Fault
7
Ignition Coil A Primary/Secondary Circuit Malfunction
Regarding the U1177 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.
U1177 OBD-II Diagnostic Network (U) Trouble Code DescriptionU1177 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.Main reason For U1177 CodeThe reason of U1177 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low. |
U1177 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.